Home / 10,230.70-15,346.05-9,136.30

Finding the Fourth Proportional to 10,230.70, 15,346.05 and 9,136.30

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Solution

The fourth proportional to 10,230.70, 15,346.05 and 9,136.30 is: 13,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.70 : 15,346.05 = 9,136.30 : x
  2. Step 2: Convert to fraction form
    10,230.70/15,346.05 = 9,136.30/x
  3. Step 3: Cross multiply
    10,230.70x = 15,346.05 × 9,136.30
  4. Step 4: Simplify right side
    10,230.70x = 140,206,116.62
  5. Step 5: Solve for x
    x = 140,206,116.62/10,230.70
  6. Step 6: Final answer
    x = 13,704.45

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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.