Home / 11,432.40-17,147.88-3,646.80

Finding the Fourth Proportional to 11,432.40, 17,147.88 and 3,646.80

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Solution

The fourth proportional to 11,432.40, 17,147.88 and 3,646.80 is: 5,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.40 : 17,147.88 = 3,646.80 : x
  2. Step 2: Convert to fraction form
    11,432.40/17,147.88 = 3,646.80/x
  3. Step 3: Cross multiply
    11,432.40x = 17,147.88 × 3,646.80
  4. Step 4: Simplify right side
    11,432.40x = 62,534,888.78
  5. Step 5: Solve for x
    x = 62,534,888.78/11,432.40
  6. Step 6: Final answer
    x = 5,469.97

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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.