Home / 22,079.40-30,469.93-12,008.04

Finding the Fourth Proportional to 22,079.40, 30,469.93 and 12,008.04

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Solution

The fourth proportional to 22,079.40, 30,469.93 and 12,008.04 is: 16,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.40 : 30,469.93 = 12,008.04 : x
  2. Step 2: Convert to fraction form
    22,079.40/30,469.93 = 12,008.04/x
  3. Step 3: Cross multiply
    22,079.40x = 30,469.93 × 12,008.04
  4. Step 4: Simplify right side
    22,079.40x = 365,884,138.24
  5. Step 5: Solve for x
    x = 365,884,138.24/22,079.40
  6. Step 6: Final answer
    x = 16,571.29

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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.