Home / 10,160.24-15,229.42-6,639.17

Finding the Fourth Proportional to 10,160.24, 15,229.42 and 6,639.17

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Solution

The fourth proportional to 10,160.24, 15,229.42 and 6,639.17 is: 9,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.24 : 15,229.42 = 6,639.17 : x
  2. Step 2: Convert to fraction form
    10,160.24/15,229.42 = 6,639.17/x
  3. Step 3: Cross multiply
    10,160.24x = 15,229.42 × 6,639.17
  4. Step 4: Simplify right side
    10,160.24x = 101,110,615.64
  5. Step 5: Solve for x
    x = 101,110,615.64/10,160.24
  6. Step 6: Final answer
    x = 9,951.60

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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.