Home / 15,542.66-21,448.28-8,468.93

Finding the Fourth Proportional to 15,542.66, 21,448.28 and 8,468.93

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Solution

The fourth proportional to 15,542.66, 21,448.28 and 8,468.93 is: 11,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.66 : 21,448.28 = 8,468.93 : x
  2. Step 2: Convert to fraction form
    15,542.66/21,448.28 = 8,468.93/x
  3. Step 3: Cross multiply
    15,542.66x = 21,448.28 × 8,468.93
  4. Step 4: Simplify right side
    15,542.66x = 181,643,832.35
  5. Step 5: Solve for x
    x = 181,643,832.35/15,542.66
  6. Step 6: Final answer
    x = 11,686.80

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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.