Home / 15,552.77-21,462.94-8,479.24

Finding the Fourth Proportional to 15,552.77, 21,462.94 and 8,479.24

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Solution

The fourth proportional to 15,552.77, 21,462.94 and 8,479.24 is: 11,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.77 : 21,462.94 = 8,479.24 : x
  2. Step 2: Convert to fraction form
    15,552.77/21,462.94 = 8,479.24/x
  3. Step 3: Cross multiply
    15,552.77x = 21,462.94 × 8,479.24
  4. Step 4: Simplify right side
    15,552.77x = 181,989,376.31
  5. Step 5: Solve for x
    x = 181,989,376.31/15,552.77
  6. Step 6: Final answer
    x = 11,701.42

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Find fourth proportional to 7,776.38, 10,731.47 and 4,239.62
Half scale
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Double scale
Find fourth proportional to 15,553.77, 21,464.32 and 8,480.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.