Home / 22,280.22-33,419.70-7,489.98

Finding the Fourth Proportional to 22,280.22, 33,419.70 and 7,489.98

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Solution

The fourth proportional to 22,280.22, 33,419.70 and 7,489.98 is: 11,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.22 : 33,419.70 = 7,489.98 : x
  2. Step 2: Convert to fraction form
    22,280.22/33,419.70 = 7,489.98/x
  3. Step 3: Cross multiply
    22,280.22x = 33,419.70 × 7,489.98
  4. Step 4: Simplify right side
    22,280.22x = 250,312,884.61
  5. Step 5: Solve for x
    x = 250,312,884.61/22,280.22
  6. Step 6: Final answer
    x = 11,234.76

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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.