Home / 10,414.60-15,618.80-5,670

Finding the Fourth Proportional to 10,414.60, 15,618.80 and 5,670

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Solution

The fourth proportional to 10,414.60, 15,618.80 and 5,670 is: 8,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.60 : 15,618.80 = 5,670 : x
  2. Step 2: Convert to fraction form
    10,414.60/15,618.80 = 5,670/x
  3. Step 3: Cross multiply
    10,414.60x = 15,618.80 × 5,670
  4. Step 4: Simplify right side
    10,414.60x = 88,558,596
  5. Step 5: Solve for x
    x = 88,558,596/10,414.60
  6. Step 6: Final answer
    x = 8,503.31

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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.