Home / 18,317.40-27,456.96-8,463.16

Finding the Fourth Proportional to 18,317.40, 27,456.96 and 8,463.16

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Solution

The fourth proportional to 18,317.40, 27,456.96 and 8,463.16 is: 12,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.40 : 27,456.96 = 8,463.16 : x
  2. Step 2: Convert to fraction form
    18,317.40/27,456.96 = 8,463.16/x
  3. Step 3: Cross multiply
    18,317.40x = 27,456.96 × 8,463.16
  4. Step 4: Simplify right side
    18,317.40x = 232,372,645.59
  5. Step 5: Solve for x
    x = 232,372,645.59/18,317.40
  6. Step 6: Final answer
    x = 12,685.90

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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.