Home / 18,966.61-28,454.24-5,820.85

Finding the Fourth Proportional to 18,966.61, 28,454.24 and 5,820.85

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Solution

The fourth proportional to 18,966.61, 28,454.24 and 5,820.85 is: 8,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.61 : 28,454.24 = 5,820.85 : x
  2. Step 2: Convert to fraction form
    18,966.61/28,454.24 = 5,820.85/x
  3. Step 3: Cross multiply
    18,966.61x = 28,454.24 × 5,820.85
  4. Step 4: Simplify right side
    18,966.61x = 165,627,862.90
  5. Step 5: Solve for x
    x = 165,627,862.90/18,966.61
  6. Step 6: Final answer
    x = 8,732.60

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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.