Home / 12,744-17,579.10-8,020.08

Finding the Fourth Proportional to 12,744, 17,579.10 and 8,020.08

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Solution

The fourth proportional to 12,744, 17,579.10 and 8,020.08 is: 11,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744 : 17,579.10 = 8,020.08 : x
  2. Step 2: Convert to fraction form
    12,744/17,579.10 = 8,020.08/x
  3. Step 3: Cross multiply
    12,744x = 17,579.10 × 8,020.08
  4. Step 4: Simplify right side
    12,744x = 140,985,788.33
  5. Step 5: Solve for x
    x = 140,985,788.33/12,744
  6. Step 6: Final answer
    x = 11,062.91

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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.