Home / 11,425.60-17,139.66-3,632.59

Finding the Fourth Proportional to 11,425.60, 17,139.66 and 3,632.59

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Solution

The fourth proportional to 11,425.60, 17,139.66 and 3,632.59 is: 5,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.60 : 17,139.66 = 3,632.59 : x
  2. Step 2: Convert to fraction form
    11,425.60/17,139.66 = 3,632.59/x
  3. Step 3: Cross multiply
    11,425.60x = 17,139.66 × 3,632.59
  4. Step 4: Simplify right side
    11,425.60x = 62,261,357.52
  5. Step 5: Solve for x
    x = 62,261,357.52/11,425.60
  6. Step 6: Final answer
    x = 5,449.29

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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.