Home / 19,837.39-27,376.11-11,222.87

Finding the Fourth Proportional to 19,837.39, 27,376.11 and 11,222.87

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Solution

The fourth proportional to 19,837.39, 27,376.11 and 11,222.87 is: 15,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.39 : 27,376.11 = 11,222.87 : x
  2. Step 2: Convert to fraction form
    19,837.39/27,376.11 = 11,222.87/x
  3. Step 3: Cross multiply
    19,837.39x = 27,376.11 × 11,222.87
  4. Step 4: Simplify right side
    19,837.39x = 307,238,540.75
  5. Step 5: Solve for x
    x = 307,238,540.75/19,837.39
  6. Step 6: Final answer
    x = 15,487.85

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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.