Home / 10,876.17-15,006.96-6,400.11

Finding the Fourth Proportional to 10,876.17, 15,006.96 and 6,400.11

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Solution

The fourth proportional to 10,876.17, 15,006.96 and 6,400.11 is: 8,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.17 : 15,006.96 = 6,400.11 : x
  2. Step 2: Convert to fraction form
    10,876.17/15,006.96 = 6,400.11/x
  3. Step 3: Cross multiply
    10,876.17x = 15,006.96 × 6,400.11
  4. Step 4: Simplify right side
    10,876.17x = 96,046,194.77
  5. Step 5: Solve for x
    x = 96,046,194.77/10,876.17
  6. Step 6: Final answer
    x = 8,830.88

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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.