Home / 9,909.60-14,851.20-3,663.84

Finding the Fourth Proportional to 9,909.60, 14,851.20 and 3,663.84

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Solution

The fourth proportional to 9,909.60, 14,851.20 and 3,663.84 is: 5,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.60 : 14,851.20 = 3,663.84 : x
  2. Step 2: Convert to fraction form
    9,909.60/14,851.20 = 3,663.84/x
  3. Step 3: Cross multiply
    9,909.60x = 14,851.20 × 3,663.84
  4. Step 4: Simplify right side
    9,909.60x = 54,412,420.61
  5. Step 5: Solve for x
    x = 54,412,420.61/9,909.60
  6. Step 6: Final answer
    x = 5,490.88

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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.