Home / 8,167.57-12,246.72-7,470.97

Finding the Fourth Proportional to 8,167.57, 12,246.72 and 7,470.97

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Solution

The fourth proportional to 8,167.57, 12,246.72 and 7,470.97 is: 11,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.57 : 12,246.72 = 7,470.97 : x
  2. Step 2: Convert to fraction form
    8,167.57/12,246.72 = 7,470.97/x
  3. Step 3: Cross multiply
    8,167.57x = 12,246.72 × 7,470.97
  4. Step 4: Simplify right side
    8,167.57x = 91,494,877.72
  5. Step 5: Solve for x
    x = 91,494,877.72/8,167.57
  6. Step 6: Final answer
    x = 11,202.22

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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.