Home / 10,887.30-15,023.94-6,171.66

Finding the Fourth Proportional to 10,887.30, 15,023.94 and 6,171.66

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Solution

The fourth proportional to 10,887.30, 15,023.94 and 6,171.66 is: 8,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.30 : 15,023.94 = 6,171.66 : x
  2. Step 2: Convert to fraction form
    10,887.30/15,023.94 = 6,171.66/x
  3. Step 3: Cross multiply
    10,887.30x = 15,023.94 × 6,171.66
  4. Step 4: Simplify right side
    10,887.30x = 92,722,649.54
  5. Step 5: Solve for x
    x = 92,722,649.54/10,887.30
  6. Step 6: Final answer
    x = 8,516.59

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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.