Home / 12,151.92-18,233.64-6,605.04

Finding the Fourth Proportional to 12,151.92, 18,233.64 and 6,605.04

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Solution

The fourth proportional to 12,151.92, 18,233.64 and 6,605.04 is: 9,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.92 : 18,233.64 = 6,605.04 : x
  2. Step 2: Convert to fraction form
    12,151.92/18,233.64 = 6,605.04/x
  3. Step 3: Cross multiply
    12,151.92x = 18,233.64 × 6,605.04
  4. Step 4: Simplify right side
    12,151.92x = 120,433,921.55
  5. Step 5: Solve for x
    x = 120,433,921.55/12,151.92
  6. Step 6: Final answer
    x = 9,910.69

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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.