Home / 11,689.92-17,532.99-4,292.55

Finding the Fourth Proportional to 11,689.92, 17,532.99 and 4,292.55

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Solution

The fourth proportional to 11,689.92, 17,532.99 and 4,292.55 is: 6,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.92 : 17,532.99 = 4,292.55 : x
  2. Step 2: Convert to fraction form
    11,689.92/17,532.99 = 4,292.55/x
  3. Step 3: Cross multiply
    11,689.92x = 17,532.99 × 4,292.55
  4. Step 4: Simplify right side
    11,689.92x = 75,261,236.22
  5. Step 5: Solve for x
    x = 75,261,236.22/11,689.92
  6. Step 6: Final answer
    x = 6,438.13

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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.