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Finding the Fourth Proportional to 10,600.56, 15,901.11 and 5,917.95

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Solution

The fourth proportional to 10,600.56, 15,901.11 and 5,917.95 is: 8,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.56 : 15,901.11 = 5,917.95 : x
  2. Step 2: Convert to fraction form
    10,600.56/15,901.11 = 5,917.95/x
  3. Step 3: Cross multiply
    10,600.56x = 15,901.11 × 5,917.95
  4. Step 4: Simplify right side
    10,600.56x = 94,101,973.92
  5. Step 5: Solve for x
    x = 94,101,973.92/10,600.56
  6. Step 6: Final answer
    x = 8,877.08

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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.