Home / 10,689.30-16,035.66-3,292.20

Finding the Fourth Proportional to 10,689.30, 16,035.66 and 3,292.20

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Solution

The fourth proportional to 10,689.30, 16,035.66 and 3,292.20 is: 4,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.30 : 16,035.66 = 3,292.20 : x
  2. Step 2: Convert to fraction form
    10,689.30/16,035.66 = 3,292.20/x
  3. Step 3: Cross multiply
    10,689.30x = 16,035.66 × 3,292.20
  4. Step 4: Simplify right side
    10,689.30x = 52,792,599.85
  5. Step 5: Solve for x
    x = 52,792,599.85/10,689.30
  6. Step 6: Final answer
    x = 4,938.83

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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.