Home / 10,887.52-15,024.35-6,171.70

Finding the Fourth Proportional to 10,887.52, 15,024.35 and 6,171.70

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Solution

The fourth proportional to 10,887.52, 15,024.35 and 6,171.70 is: 8,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.52 : 15,024.35 = 6,171.70 : x
  2. Step 2: Convert to fraction form
    10,887.52/15,024.35 = 6,171.70/x
  3. Step 3: Cross multiply
    10,887.52x = 15,024.35 × 6,171.70
  4. Step 4: Simplify right side
    10,887.52x = 92,725,780.90
  5. Step 5: Solve for x
    x = 92,725,780.90/10,887.52
  6. Step 6: Final answer
    x = 8,516.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.