Home / 10,016.91-15,008.85-3,439.47

Finding the Fourth Proportional to 10,016.91, 15,008.85 and 3,439.47

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Solution

The fourth proportional to 10,016.91, 15,008.85 and 3,439.47 is: 5,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.91 : 15,008.85 = 3,439.47 : x
  2. Step 2: Convert to fraction form
    10,016.91/15,008.85 = 3,439.47/x
  3. Step 3: Cross multiply
    10,016.91x = 15,008.85 × 3,439.47
  4. Step 4: Simplify right side
    10,016.91x = 51,622,489.31
  5. Step 5: Solve for x
    x = 51,622,489.31/10,016.91
  6. Step 6: Final answer
    x = 5,153.53

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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.