Home / 20,269.56-27,964.03-11,770.23

Finding the Fourth Proportional to 20,269.56, 27,964.03 and 11,770.23

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Solution

The fourth proportional to 20,269.56, 27,964.03 and 11,770.23 is: 16,238.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.56 : 27,964.03 = 11,770.23 : x
  2. Step 2: Convert to fraction form
    20,269.56/27,964.03 = 11,770.23/x
  3. Step 3: Cross multiply
    20,269.56x = 27,964.03 × 11,770.23
  4. Step 4: Simplify right side
    20,269.56x = 329,143,064.83
  5. Step 5: Solve for x
    x = 329,143,064.83/20,269.56
  6. Step 6: Final answer
    x = 16,238.29

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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.