Home / 10,342.56-15,505.20-4,799.90

Finding the Fourth Proportional to 10,342.56, 15,505.20 and 4,799.90

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Solution

The fourth proportional to 10,342.56, 15,505.20 and 4,799.90 is: 7,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.56 : 15,505.20 = 4,799.90 : x
  2. Step 2: Convert to fraction form
    10,342.56/15,505.20 = 4,799.90/x
  3. Step 3: Cross multiply
    10,342.56x = 15,505.20 × 4,799.90
  4. Step 4: Simplify right side
    10,342.56x = 74,423,331.95
  5. Step 5: Solve for x
    x = 74,423,331.95/10,342.56
  6. Step 6: Final answer
    x = 7,195.83

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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.