Home / 11,569.92-17,328.96-8,122.56

Finding the Fourth Proportional to 11,569.92, 17,328.96 and 8,122.56

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Solution

The fourth proportional to 11,569.92, 17,328.96 and 8,122.56 is: 12,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.92 : 17,328.96 = 8,122.56 : x
  2. Step 2: Convert to fraction form
    11,569.92/17,328.96 = 8,122.56/x
  3. Step 3: Cross multiply
    11,569.92x = 17,328.96 × 8,122.56
  4. Step 4: Simplify right side
    11,569.92x = 140,755,517.34
  5. Step 5: Solve for x
    x = 140,755,517.34/11,569.92
  6. Step 6: Final answer
    x = 12,165.64

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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.