Home / 10,665.07-15,997.60-5,727.92

Finding the Fourth Proportional to 10,665.07, 15,997.60 and 5,727.92

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Solution

The fourth proportional to 10,665.07, 15,997.60 and 5,727.92 is: 8,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.07 : 15,997.60 = 5,727.92 : x
  2. Step 2: Convert to fraction form
    10,665.07/15,997.60 = 5,727.92/x
  3. Step 3: Cross multiply
    10,665.07x = 15,997.60 × 5,727.92
  4. Step 4: Simplify right side
    10,665.07x = 91,632,972.99
  5. Step 5: Solve for x
    x = 91,632,972.99/10,665.07
  6. Step 6: Final answer
    x = 8,591.88

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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.