Home / 13,747.75-20,612.36-6,348.13

Finding the Fourth Proportional to 13,747.75, 20,612.36 and 6,348.13

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Solution

The fourth proportional to 13,747.75, 20,612.36 and 6,348.13 is: 9,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.75 : 20,612.36 = 6,348.13 : x
  2. Step 2: Convert to fraction form
    13,747.75/20,612.36 = 6,348.13/x
  3. Step 3: Cross multiply
    13,747.75x = 20,612.36 × 6,348.13
  4. Step 4: Simplify right side
    13,747.75x = 130,849,837.83
  5. Step 5: Solve for x
    x = 130,849,837.83/13,747.75
  6. Step 6: Final answer
    x = 9,517.91

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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.