Home / 22,350.20-33,550.90-13,121.40

Finding the Fourth Proportional to 22,350.20, 33,550.90 and 13,121.40

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Solution

The fourth proportional to 22,350.20, 33,550.90 and 13,121.40 is: 19,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.20 : 33,550.90 = 13,121.40 : x
  2. Step 2: Convert to fraction form
    22,350.20/33,550.90 = 13,121.40/x
  3. Step 3: Cross multiply
    22,350.20x = 33,550.90 × 13,121.40
  4. Step 4: Simplify right side
    22,350.20x = 440,234,779.26
  5. Step 5: Solve for x
    x = 440,234,779.26/22,350.20
  6. Step 6: Final answer
    x = 19,697.13

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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.