Home / 15,116.88-22,685.40-5,765.52

Finding the Fourth Proportional to 15,116.88, 22,685.40 and 5,765.52

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Solution

The fourth proportional to 15,116.88, 22,685.40 and 5,765.52 is: 8,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.88 : 22,685.40 = 5,765.52 : x
  2. Step 2: Convert to fraction form
    15,116.88/22,685.40 = 5,765.52/x
  3. Step 3: Cross multiply
    15,116.88x = 22,685.40 × 5,765.52
  4. Step 4: Simplify right side
    15,116.88x = 130,793,127.41
  5. Step 5: Solve for x
    x = 130,793,127.41/15,116.88
  6. Step 6: Final answer
    x = 8,652.12

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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.