Home / 10,098.14-13,930.65-7,115.62

Finding the Fourth Proportional to 10,098.14, 13,930.65 and 7,115.62

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Solution

The fourth proportional to 10,098.14, 13,930.65 and 7,115.62 is: 9,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.14 : 13,930.65 = 7,115.62 : x
  2. Step 2: Convert to fraction form
    10,098.14/13,930.65 = 7,115.62/x
  3. Step 3: Cross multiply
    10,098.14x = 13,930.65 × 7,115.62
  4. Step 4: Simplify right side
    10,098.14x = 99,125,176.93
  5. Step 5: Solve for x
    x = 99,125,176.93/10,098.14
  6. Step 6: Final answer
    x = 9,816.18

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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.