Home / 11,531.82-17,295.92-7,400.72

Finding the Fourth Proportional to 11,531.82, 17,295.92 and 7,400.72

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Solution

The fourth proportional to 11,531.82, 17,295.92 and 7,400.72 is: 11,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.82 : 17,295.92 = 7,400.72 : x
  2. Step 2: Convert to fraction form
    11,531.82/17,295.92 = 7,400.72/x
  3. Step 3: Cross multiply
    11,531.82x = 17,295.92 × 7,400.72
  4. Step 4: Simplify right side
    11,531.82x = 128,002,261.06
  5. Step 5: Solve for x
    x = 128,002,261.06/11,531.82
  6. Step 6: Final answer
    x = 11,099.92

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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.