Home / 17,909.09-26,854.40-8,039.91

Finding the Fourth Proportional to 17,909.09, 26,854.40 and 8,039.91

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Solution

The fourth proportional to 17,909.09, 26,854.40 and 8,039.91 is: 12,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.09 : 26,854.40 = 8,039.91 : x
  2. Step 2: Convert to fraction form
    17,909.09/26,854.40 = 8,039.91/x
  3. Step 3: Cross multiply
    17,909.09x = 26,854.40 × 8,039.91
  4. Step 4: Simplify right side
    17,909.09x = 215,906,959.10
  5. Step 5: Solve for x
    x = 215,906,959.10/17,909.09
  6. Step 6: Final answer
    x = 12,055.72

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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.