Home / 12,714.27-19,061.07-10,979.85

Finding the Fourth Proportional to 12,714.27, 19,061.07 and 10,979.85

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Solution

The fourth proportional to 12,714.27, 19,061.07 and 10,979.85 is: 16,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.27 : 19,061.07 = 10,979.85 : x
  2. Step 2: Convert to fraction form
    12,714.27/19,061.07 = 10,979.85/x
  3. Step 3: Cross multiply
    12,714.27x = 19,061.07 × 10,979.85
  4. Step 4: Simplify right side
    12,714.27x = 209,287,781.51
  5. Step 5: Solve for x
    x = 209,287,781.51/12,714.27
  6. Step 6: Final answer
    x = 16,460.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.