Home / 19,834.30-27,371.10-10,881.88

Finding the Fourth Proportional to 19,834.30, 27,371.10 and 10,881.88

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Solution

The fourth proportional to 19,834.30, 27,371.10 and 10,881.88 is: 15,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.30 : 27,371.10 = 10,881.88 : x
  2. Step 2: Convert to fraction form
    19,834.30/27,371.10 = 10,881.88/x
  3. Step 3: Cross multiply
    19,834.30x = 27,371.10 × 10,881.88
  4. Step 4: Simplify right side
    19,834.30x = 297,849,025.67
  5. Step 5: Solve for x
    x = 297,849,025.67/19,834.30
  6. Step 6: Final answer
    x = 15,016.87

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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.