Home / 15,489.70-23,234.55-5,100.10

Finding the Fourth Proportional to 15,489.70, 23,234.55 and 5,100.10

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Solution

The fourth proportional to 15,489.70, 23,234.55 and 5,100.10 is: 7,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.70 : 23,234.55 = 5,100.10 : x
  2. Step 2: Convert to fraction form
    15,489.70/23,234.55 = 5,100.10/x
  3. Step 3: Cross multiply
    15,489.70x = 23,234.55 × 5,100.10
  4. Step 4: Simplify right side
    15,489.70x = 118,498,528.46
  5. Step 5: Solve for x
    x = 118,498,528.46/15,489.70
  6. Step 6: Final answer
    x = 7,650.15

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Half scale
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Double scale
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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.