Home / 19,951.10-27,531.33-10,998.98

Finding the Fourth Proportional to 19,951.10, 27,531.33 and 10,998.98

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Solution

The fourth proportional to 19,951.10, 27,531.33 and 10,998.98 is: 15,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.10 : 27,531.33 = 10,998.98 : x
  2. Step 2: Convert to fraction form
    19,951.10/27,531.33 = 10,998.98/x
  3. Step 3: Cross multiply
    19,951.10x = 27,531.33 × 10,998.98
  4. Step 4: Simplify right side
    19,951.10x = 302,816,548.04
  5. Step 5: Solve for x
    x = 302,816,548.04/19,951.10
  6. Step 6: Final answer
    x = 15,177.94

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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.