Home / 9,747.14-13,456.02-6,757.78

Finding the Fourth Proportional to 9,747.14, 13,456.02 and 6,757.78

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Solution

The fourth proportional to 9,747.14, 13,456.02 and 6,757.78 is: 9,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.14 : 13,456.02 = 6,757.78 : x
  2. Step 2: Convert to fraction form
    9,747.14/13,456.02 = 6,757.78/x
  3. Step 3: Cross multiply
    9,747.14x = 13,456.02 × 6,757.78
  4. Step 4: Simplify right side
    9,747.14x = 90,932,839.77
  5. Step 5: Solve for x
    x = 90,932,839.77/9,747.14
  6. Step 6: Final answer
    x = 9,329.19

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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.