Home / 22,569.32-31,154.01-13,617.20

Finding the Fourth Proportional to 22,569.32, 31,154.01 and 13,617.20

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Solution

The fourth proportional to 22,569.32, 31,154.01 and 13,617.20 is: 18,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569.32 : 31,154.01 = 13,617.20 : x
  2. Step 2: Convert to fraction form
    22,569.32/31,154.01 = 13,617.20/x
  3. Step 3: Cross multiply
    22,569.32x = 31,154.01 × 13,617.20
  4. Step 4: Simplify right side
    22,569.32x = 424,230,384.97
  5. Step 5: Solve for x
    x = 424,230,384.97/22,569.32
  6. Step 6: Final answer
    x = 18,796.77

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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.