Home / 15,397.28-21,248.26-9,022.60

Finding the Fourth Proportional to 15,397.28, 21,248.26 and 9,022.60

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Solution

The fourth proportional to 15,397.28, 21,248.26 and 9,022.60 is: 12,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397.28 : 21,248.26 = 9,022.60 : x
  2. Step 2: Convert to fraction form
    15,397.28/21,248.26 = 9,022.60/x
  3. Step 3: Cross multiply
    15,397.28x = 21,248.26 × 9,022.60
  4. Step 4: Simplify right side
    15,397.28x = 191,714,550.68
  5. Step 5: Solve for x
    x = 191,714,550.68/15,397.28
  6. Step 6: Final answer
    x = 12,451.20

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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.