Home / 15,742.38-23,490.24-14,087.55

Finding the Fourth Proportional to 15,742.38, 23,490.24 and 14,087.55

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Solution

The fourth proportional to 15,742.38, 23,490.24 and 14,087.55 is: 21,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.38 : 23,490.24 = 14,087.55 : x
  2. Step 2: Convert to fraction form
    15,742.38/23,490.24 = 14,087.55/x
  3. Step 3: Cross multiply
    15,742.38x = 23,490.24 × 14,087.55
  4. Step 4: Simplify right side
    15,742.38x = 330,920,084.64
  5. Step 5: Solve for x
    x = 330,920,084.64/15,742.38
  6. Step 6: Final answer
    x = 21,020.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.