Home / 22,115.10-33,176.70-7,324.50

Finding the Fourth Proportional to 22,115.10, 33,176.70 and 7,324.50

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Solution

The fourth proportional to 22,115.10, 33,176.70 and 7,324.50 is: 10,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.10 : 33,176.70 = 7,324.50 : x
  2. Step 2: Convert to fraction form
    22,115.10/33,176.70 = 7,324.50/x
  3. Step 3: Cross multiply
    22,115.10x = 33,176.70 × 7,324.50
  4. Step 4: Simplify right side
    22,115.10x = 243,002,739.15
  5. Step 5: Solve for x
    x = 243,002,739.15/22,115.10
  6. Step 6: Final answer
    x = 10,988.09

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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.