Home / 22,478.01-33,720.67-8,439.12

Finding the Fourth Proportional to 22,478.01, 33,720.67 and 8,439.12

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Solution

The fourth proportional to 22,478.01, 33,720.67 and 8,439.12 is: 12,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.01 : 33,720.67 = 8,439.12 : x
  2. Step 2: Convert to fraction form
    22,478.01/33,720.67 = 8,439.12/x
  3. Step 3: Cross multiply
    22,478.01x = 33,720.67 × 8,439.12
  4. Step 4: Simplify right side
    22,478.01x = 284,572,791.16
  5. Step 5: Solve for x
    x = 284,572,791.16/22,478.01
  6. Step 6: Final answer
    x = 12,660.05

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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.