Home / 22,220.72-33,331.11-8,899.72

Finding the Fourth Proportional to 22,220.72, 33,331.11 and 8,899.72

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Solution

The fourth proportional to 22,220.72, 33,331.11 and 8,899.72 is: 13,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.72 : 33,331.11 = 8,899.72 : x
  2. Step 2: Convert to fraction form
    22,220.72/33,331.11 = 8,899.72/x
  3. Step 3: Cross multiply
    22,220.72x = 33,331.11 × 8,899.72
  4. Step 4: Simplify right side
    22,220.72x = 296,637,546.29
  5. Step 5: Solve for x
    x = 296,637,546.29/22,220.72
  6. Step 6: Final answer
    x = 13,349.59

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Double scale
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Similar ratio
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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.