Home / 9,930.90-13,702.16-7,273.70

Finding the Fourth Proportional to 9,930.90, 13,702.16 and 7,273.70

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Solution

The fourth proportional to 9,930.90, 13,702.16 and 7,273.70 is: 10,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.90 : 13,702.16 = 7,273.70 : x
  2. Step 2: Convert to fraction form
    9,930.90/13,702.16 = 7,273.70/x
  3. Step 3: Cross multiply
    9,930.90x = 13,702.16 × 7,273.70
  4. Step 4: Simplify right side
    9,930.90x = 99,665,402.25
  5. Step 5: Solve for x
    x = 99,665,402.25/9,930.90
  6. Step 6: Final answer
    x = 10,035.88

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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.