Home / 20,617.95-30,929.19-6,574.71

Finding the Fourth Proportional to 20,617.95, 30,929.19 and 6,574.71

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Solution

The fourth proportional to 20,617.95, 30,929.19 and 6,574.71 is: 9,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.95 : 30,929.19 = 6,574.71 : x
  2. Step 2: Convert to fraction form
    20,617.95/30,929.19 = 6,574.71/x
  3. Step 3: Cross multiply
    20,617.95x = 30,929.19 × 6,574.71
  4. Step 4: Simplify right side
    20,617.95x = 203,350,454.78
  5. Step 5: Solve for x
    x = 203,350,454.78/20,617.95
  6. Step 6: Final answer
    x = 9,862.79

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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.