Home / 15,532.33-21,433.96-8,458.73

Finding the Fourth Proportional to 15,532.33, 21,433.96 and 8,458.73

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Solution

The fourth proportional to 15,532.33, 21,433.96 and 8,458.73 is: 11,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532.33 : 21,433.96 = 8,458.73 : x
  2. Step 2: Convert to fraction form
    15,532.33/21,433.96 = 8,458.73/x
  3. Step 3: Cross multiply
    15,532.33x = 21,433.96 × 8,458.73
  4. Step 4: Simplify right side
    15,532.33x = 181,304,080.47
  5. Step 5: Solve for x
    x = 181,304,080.47/15,532.33
  6. Step 6: Final answer
    x = 11,672.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.