Home / 22,108.56-33,167.70-10,421.88

Finding the Fourth Proportional to 22,108.56, 33,167.70 and 10,421.88

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Solution

The fourth proportional to 22,108.56, 33,167.70 and 10,421.88 is: 15,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.56 : 33,167.70 = 10,421.88 : x
  2. Step 2: Convert to fraction form
    22,108.56/33,167.70 = 10,421.88/x
  3. Step 3: Cross multiply
    22,108.56x = 33,167.70 × 10,421.88
  4. Step 4: Simplify right side
    22,108.56x = 345,669,789.28
  5. Step 5: Solve for x
    x = 345,669,789.28/22,108.56
  6. Step 6: Final answer
    x = 15,635.11

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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.