Home / 22,597.18-31,177.11-13,159.06

Finding the Fourth Proportional to 22,597.18, 31,177.11 and 13,159.06

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Solution

The fourth proportional to 22,597.18, 31,177.11 and 13,159.06 is: 18,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,597.18 : 31,177.11 = 13,159.06 : x
  2. Step 2: Convert to fraction form
    22,597.18/31,177.11 = 13,159.06/x
  3. Step 3: Cross multiply
    22,597.18x = 31,177.11 × 13,159.06
  4. Step 4: Simplify right side
    22,597.18x = 410,261,461.12
  5. Step 5: Solve for x
    x = 410,261,461.12/22,597.18
  6. Step 6: Final answer
    x = 18,155.43

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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.