Home / 12,229.67-18,330.49-5,558.99

Finding the Fourth Proportional to 12,229.67, 18,330.49 and 5,558.99

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Solution

The fourth proportional to 12,229.67, 18,330.49 and 5,558.99 is: 8,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.67 : 18,330.49 = 5,558.99 : x
  2. Step 2: Convert to fraction form
    12,229.67/18,330.49 = 5,558.99/x
  3. Step 3: Cross multiply
    12,229.67x = 18,330.49 × 5,558.99
  4. Step 4: Simplify right side
    12,229.67x = 101,899,010.61
  5. Step 5: Solve for x
    x = 101,899,010.61/12,229.67
  6. Step 6: Final answer
    x = 8,332.11

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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.