Home / 10,967.87-15,135.60-5,932.09

Finding the Fourth Proportional to 10,967.87, 15,135.60 and 5,932.09

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Solution

The fourth proportional to 10,967.87, 15,135.60 and 5,932.09 is: 8,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.87 : 15,135.60 = 5,932.09 : x
  2. Step 2: Convert to fraction form
    10,967.87/15,135.60 = 5,932.09/x
  3. Step 3: Cross multiply
    10,967.87x = 15,135.60 × 5,932.09
  4. Step 4: Simplify right side
    10,967.87x = 89,785,687.97
  5. Step 5: Solve for x
    x = 89,785,687.97/10,967.87
  6. Step 6: Final answer
    x = 8,186.25

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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.