Home / 22,816.20-34,230.70-11,129.80

Finding the Fourth Proportional to 22,816.20, 34,230.70 and 11,129.80

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Solution

The fourth proportional to 22,816.20, 34,230.70 and 11,129.80 is: 16,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.20 : 34,230.70 = 11,129.80 : x
  2. Step 2: Convert to fraction form
    22,816.20/34,230.70 = 11,129.80/x
  3. Step 3: Cross multiply
    22,816.20x = 34,230.70 × 11,129.80
  4. Step 4: Simplify right side
    22,816.20x = 380,980,844.86
  5. Step 5: Solve for x
    x = 380,980,844.86/22,816.20
  6. Step 6: Final answer
    x = 16,697.82

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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.