Home / 12,222.55-18,330.15-6,375.97

Finding the Fourth Proportional to 12,222.55, 18,330.15 and 6,375.97

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Solution

The fourth proportional to 12,222.55, 18,330.15 and 6,375.97 is: 9,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.55 : 18,330.15 = 6,375.97 : x
  2. Step 2: Convert to fraction form
    12,222.55/18,330.15 = 6,375.97/x
  3. Step 3: Cross multiply
    12,222.55x = 18,330.15 × 6,375.97
  4. Step 4: Simplify right side
    12,222.55x = 116,872,486.50
  5. Step 5: Solve for x
    x = 116,872,486.50/12,222.55
  6. Step 6: Final answer
    x = 9,562.04

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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.