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Finding the Fourth Proportional to 11,079, 16,597.20 and 8,726.58

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Solution

The fourth proportional to 11,079, 16,597.20 and 8,726.58 is: 13,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079 : 16,597.20 = 8,726.58 : x
  2. Step 2: Convert to fraction form
    11,079/16,597.20 = 8,726.58/x
  3. Step 3: Cross multiply
    11,079x = 16,597.20 × 8,726.58
  4. Step 4: Simplify right side
    11,079x = 144,836,793.58
  5. Step 5: Solve for x
    x = 144,836,793.58/11,079
  6. Step 6: Final answer
    x = 13,073.09

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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.