Home / 10,098.30-15,115.05-7,182.30

Finding the Fourth Proportional to 10,098.30, 15,115.05 and 7,182.30

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Solution

The fourth proportional to 10,098.30, 15,115.05 and 7,182.30 is: 10,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.30 : 15,115.05 = 7,182.30 : x
  2. Step 2: Convert to fraction form
    10,098.30/15,115.05 = 7,182.30/x
  3. Step 3: Cross multiply
    10,098.30x = 15,115.05 × 7,182.30
  4. Step 4: Simplify right side
    10,098.30x = 108,560,823.62
  5. Step 5: Solve for x
    x = 108,560,823.62/10,098.30
  6. Step 6: Final answer
    x = 10,750.41

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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.