Home / 23,158.40-31,959.84-13,087.24

Finding the Fourth Proportional to 23,158.40, 31,959.84 and 13,087.24

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Solution

The fourth proportional to 23,158.40, 31,959.84 and 13,087.24 is: 18,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.40 : 31,959.84 = 13,087.24 : x
  2. Step 2: Convert to fraction form
    23,158.40/31,959.84 = 13,087.24/x
  3. Step 3: Cross multiply
    23,158.40x = 31,959.84 × 13,087.24
  4. Step 4: Simplify right side
    23,158.40x = 418,266,096.44
  5. Step 5: Solve for x
    x = 418,266,096.44/23,158.40
  6. Step 6: Final answer
    x = 18,061.10

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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.