Home / 12,847.48-19,269.82-8,714.04

Finding the Fourth Proportional to 12,847.48, 19,269.82 and 8,714.04

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Solution

The fourth proportional to 12,847.48, 19,269.82 and 8,714.04 is: 13,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.48 : 19,269.82 = 8,714.04 : x
  2. Step 2: Convert to fraction form
    12,847.48/19,269.82 = 8,714.04/x
  3. Step 3: Cross multiply
    12,847.48x = 19,269.82 × 8,714.04
  4. Step 4: Simplify right side
    12,847.48x = 167,917,982.27
  5. Step 5: Solve for x
    x = 167,917,982.27/12,847.48
  6. Step 6: Final answer
    x = 13,070.11

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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.