Home / 22,213.80-33,326.47-6,631.42

Finding the Fourth Proportional to 22,213.80, 33,326.47 and 6,631.42

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Solution

The fourth proportional to 22,213.80, 33,326.47 and 6,631.42 is: 9,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.80 : 33,326.47 = 6,631.42 : x
  2. Step 2: Convert to fraction form
    22,213.80/33,326.47 = 6,631.42/x
  3. Step 3: Cross multiply
    22,213.80x = 33,326.47 × 6,631.42
  4. Step 4: Simplify right side
    22,213.80x = 221,001,819.69
  5. Step 5: Solve for x
    x = 221,001,819.69/22,213.80
  6. Step 6: Final answer
    x = 9,948.85

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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.