Home / 15,329.47-21,155.64-8,524.26

Finding the Fourth Proportional to 15,329.47, 21,155.64 and 8,524.26

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Solution

The fourth proportional to 15,329.47, 21,155.64 and 8,524.26 is: 11,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.47 : 21,155.64 = 8,524.26 : x
  2. Step 2: Convert to fraction form
    15,329.47/21,155.64 = 8,524.26/x
  3. Step 3: Cross multiply
    15,329.47x = 21,155.64 × 8,524.26
  4. Step 4: Simplify right side
    15,329.47x = 180,336,070.05
  5. Step 5: Solve for x
    x = 180,336,070.05/15,329.47
  6. Step 6: Final answer
    x = 11,764.01

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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.