Home / 22,079.67-30,469.80-12,008.10

Finding the Fourth Proportional to 22,079.67, 30,469.80 and 12,008.10

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Solution

The fourth proportional to 22,079.67, 30,469.80 and 12,008.10 is: 16,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.67 : 30,469.80 = 12,008.10 : x
  2. Step 2: Convert to fraction form
    22,079.67/30,469.80 = 12,008.10/x
  3. Step 3: Cross multiply
    22,079.67x = 30,469.80 × 12,008.10
  4. Step 4: Simplify right side
    22,079.67x = 365,884,405.38
  5. Step 5: Solve for x
    x = 365,884,405.38/22,079.67
  6. Step 6: Final answer
    x = 16,571.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.