Home / 10,156.30-15,234.45-8,860.30

Finding the Fourth Proportional to 10,156.30, 15,234.45 and 8,860.30

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Solution

The fourth proportional to 10,156.30, 15,234.45 and 8,860.30 is: 13,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.30 : 15,234.45 = 8,860.30 : x
  2. Step 2: Convert to fraction form
    10,156.30/15,234.45 = 8,860.30/x
  3. Step 3: Cross multiply
    10,156.30x = 15,234.45 × 8,860.30
  4. Step 4: Simplify right side
    10,156.30x = 134,981,797.34
  5. Step 5: Solve for x
    x = 134,981,797.34/10,156.30
  6. Step 6: Final answer
    x = 13,290.45

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Similar ratio
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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.