Home / 11,148.60-16,729.92-6,477.87

Finding the Fourth Proportional to 11,148.60, 16,729.92 and 6,477.87

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Solution

The fourth proportional to 11,148.60, 16,729.92 and 6,477.87 is: 9,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.60 : 16,729.92 = 6,477.87 : x
  2. Step 2: Convert to fraction form
    11,148.60/16,729.92 = 6,477.87/x
  3. Step 3: Cross multiply
    11,148.60x = 16,729.92 × 6,477.87
  4. Step 4: Simplify right side
    11,148.60x = 108,374,246.87
  5. Step 5: Solve for x
    x = 108,374,246.87/11,148.60
  6. Step 6: Final answer
    x = 9,720.88

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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.