Home / 22,118.70-33,191.76-8,971.20

Finding the Fourth Proportional to 22,118.70, 33,191.76 and 8,971.20

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Solution

The fourth proportional to 22,118.70, 33,191.76 and 8,971.20 is: 13,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.70 : 33,191.76 = 8,971.20 : x
  2. Step 2: Convert to fraction form
    22,118.70/33,191.76 = 8,971.20/x
  3. Step 3: Cross multiply
    22,118.70x = 33,191.76 × 8,971.20
  4. Step 4: Simplify right side
    22,118.70x = 297,769,917.31
  5. Step 5: Solve for x
    x = 297,769,917.31/22,118.70
  6. Step 6: Final answer
    x = 13,462.36

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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.