Home / 10,057.56-15,086.31-6,891.87

Finding the Fourth Proportional to 10,057.56, 15,086.31 and 6,891.87

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Solution

The fourth proportional to 10,057.56, 15,086.31 and 6,891.87 is: 10,337.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.56 : 15,086.31 = 6,891.87 : x
  2. Step 2: Convert to fraction form
    10,057.56/15,086.31 = 6,891.87/x
  3. Step 3: Cross multiply
    10,057.56x = 15,086.31 × 6,891.87
  4. Step 4: Simplify right side
    10,057.56x = 103,972,887.30
  5. Step 5: Solve for x
    x = 103,972,887.30/10,057.56
  6. Step 6: Final answer
    x = 10,337.78

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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.