Home / 15,864.10-23,747.55-9,270.70

Finding the Fourth Proportional to 15,864.10, 23,747.55 and 9,270.70

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Solution

The fourth proportional to 15,864.10, 23,747.55 and 9,270.70 is: 13,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.10 : 23,747.55 = 9,270.70 : x
  2. Step 2: Convert to fraction form
    15,864.10/23,747.55 = 9,270.70/x
  3. Step 3: Cross multiply
    15,864.10x = 23,747.55 × 9,270.70
  4. Step 4: Simplify right side
    15,864.10x = 220,156,411.79
  5. Step 5: Solve for x
    x = 220,156,411.79/15,864.10
  6. Step 6: Final answer
    x = 13,877.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.