Home / 9,801.66-13,519.14-6,217.71

Finding the Fourth Proportional to 9,801.66, 13,519.14 and 6,217.71

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Solution

The fourth proportional to 9,801.66, 13,519.14 and 6,217.71 is: 8,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.66 : 13,519.14 = 6,217.71 : x
  2. Step 2: Convert to fraction form
    9,801.66/13,519.14 = 6,217.71/x
  3. Step 3: Cross multiply
    9,801.66x = 13,519.14 × 6,217.71
  4. Step 4: Simplify right side
    9,801.66x = 84,058,091.97
  5. Step 5: Solve for x
    x = 84,058,091.97/9,801.66
  6. Step 6: Final answer
    x = 8,575.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.