Home / 20,219.46-27,902.82-11,266.92

Finding the Fourth Proportional to 20,219.46, 27,902.82 and 11,266.92

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Solution

The fourth proportional to 20,219.46, 27,902.82 and 11,266.92 is: 15,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.46 : 27,902.82 = 11,266.92 : x
  2. Step 2: Convert to fraction form
    20,219.46/27,902.82 = 11,266.92/x
  3. Step 3: Cross multiply
    20,219.46x = 27,902.82 × 11,266.92
  4. Step 4: Simplify right side
    20,219.46x = 314,378,840.71
  5. Step 5: Solve for x
    x = 314,378,840.71/20,219.46
  6. Step 6: Final answer
    x = 15,548.33

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Double scale
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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.