Home / 11,660.91-17,438.18-8,701.44

Finding the Fourth Proportional to 11,660.91, 17,438.18 and 8,701.44

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Solution

The fourth proportional to 11,660.91, 17,438.18 and 8,701.44 is: 13,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.91 : 17,438.18 = 8,701.44 : x
  2. Step 2: Convert to fraction form
    11,660.91/17,438.18 = 8,701.44/x
  3. Step 3: Cross multiply
    11,660.91x = 17,438.18 × 8,701.44
  4. Step 4: Simplify right side
    11,660.91x = 151,737,233.47
  5. Step 5: Solve for x
    x = 151,737,233.47/11,660.91
  6. Step 6: Final answer
    x = 13,012.47

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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.