Home / 10,238.02-15,356.97-3,998.66

Finding the Fourth Proportional to 10,238.02, 15,356.97 and 3,998.66

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Solution

The fourth proportional to 10,238.02, 15,356.97 and 3,998.66 is: 5,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.02 : 15,356.97 = 3,998.66 : x
  2. Step 2: Convert to fraction form
    10,238.02/15,356.97 = 3,998.66/x
  3. Step 3: Cross multiply
    10,238.02x = 15,356.97 × 3,998.66
  4. Step 4: Simplify right side
    10,238.02x = 61,407,273.69
  5. Step 5: Solve for x
    x = 61,407,273.69/10,238.02
  6. Step 6: Final answer
    x = 5,997.97

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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.