Home / 9,702.18-14,553.68-3,127.55

Finding the Fourth Proportional to 9,702.18, 14,553.68 and 3,127.55

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Solution

The fourth proportional to 9,702.18, 14,553.68 and 3,127.55 is: 4,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.18 : 14,553.68 = 3,127.55 : x
  2. Step 2: Convert to fraction form
    9,702.18/14,553.68 = 3,127.55/x
  3. Step 3: Cross multiply
    9,702.18x = 14,553.68 × 3,127.55
  4. Step 4: Simplify right side
    9,702.18x = 45,517,273.48
  5. Step 5: Solve for x
    x = 45,517,273.48/9,702.18
  6. Step 6: Final answer
    x = 4,691.45

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1.5x scale

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.