Home / 11,132.60-16,764.94-9,689.18

Finding the Fourth Proportional to 11,132.60, 16,764.94 and 9,689.18

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Solution

The fourth proportional to 11,132.60, 16,764.94 and 9,689.18 is: 14,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.60 : 16,764.94 = 9,689.18 : x
  2. Step 2: Convert to fraction form
    11,132.60/16,764.94 = 9,689.18/x
  3. Step 3: Cross multiply
    11,132.60x = 16,764.94 × 9,689.18
  4. Step 4: Simplify right side
    11,132.60x = 162,438,521.35
  5. Step 5: Solve for x
    x = 162,438,521.35/11,132.60
  6. Step 6: Final answer
    x = 14,591.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.