Home / 8,654.12-11,947.27-6,933.90

Finding the Fourth Proportional to 8,654.12, 11,947.27 and 6,933.90

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Solution

The fourth proportional to 8,654.12, 11,947.27 and 6,933.90 is: 9,572.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.12 : 11,947.27 = 6,933.90 : x
  2. Step 2: Convert to fraction form
    8,654.12/11,947.27 = 6,933.90/x
  3. Step 3: Cross multiply
    8,654.12x = 11,947.27 × 6,933.90
  4. Step 4: Simplify right side
    8,654.12x = 82,841,175.45
  5. Step 5: Solve for x
    x = 82,841,175.45/8,654.12
  6. Step 6: Final answer
    x = 9,572.46

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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.