Home / 9,702.97-14,542.27-4,149.78

Finding the Fourth Proportional to 9,702.97, 14,542.27 and 4,149.78

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Solution

The fourth proportional to 9,702.97, 14,542.27 and 4,149.78 is: 6,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.97 : 14,542.27 = 4,149.78 : x
  2. Step 2: Convert to fraction form
    9,702.97/14,542.27 = 4,149.78/x
  3. Step 3: Cross multiply
    9,702.97x = 14,542.27 × 4,149.78
  4. Step 4: Simplify right side
    9,702.97x = 60,347,221.20
  5. Step 5: Solve for x
    x = 60,347,221.20/9,702.97
  6. Step 6: Final answer
    x = 6,219.46

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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.