Home / 22,108.08-30,500.79-14,149.02

Finding the Fourth Proportional to 22,108.08, 30,500.79 and 14,149.02

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Solution

The fourth proportional to 22,108.08, 30,500.79 and 14,149.02 is: 19,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.08 : 30,500.79 = 14,149.02 : x
  2. Step 2: Convert to fraction form
    22,108.08/30,500.79 = 14,149.02/x
  3. Step 3: Cross multiply
    22,108.08x = 30,500.79 × 14,149.02
  4. Step 4: Simplify right side
    22,108.08x = 431,556,287.73
  5. Step 5: Solve for x
    x = 431,556,287.73/22,108.08
  6. Step 6: Final answer
    x = 19,520.30

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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.