Home / 11,439.72-17,115.54-10,610.28

Finding the Fourth Proportional to 11,439.72, 17,115.54 and 10,610.28

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Solution

The fourth proportional to 11,439.72, 17,115.54 and 10,610.28 is: 15,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.72 : 17,115.54 = 10,610.28 : x
  2. Step 2: Convert to fraction form
    11,439.72/17,115.54 = 10,610.28/x
  3. Step 3: Cross multiply
    11,439.72x = 17,115.54 × 10,610.28
  4. Step 4: Simplify right side
    11,439.72x = 181,600,671.75
  5. Step 5: Solve for x
    x = 181,600,671.75/11,439.72
  6. Step 6: Final answer
    x = 15,874.57

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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.