Home / 11,605.08-17,407.56-2,839.92

Finding the Fourth Proportional to 11,605.08, 17,407.56 and 2,839.92

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Solution

The fourth proportional to 11,605.08, 17,407.56 and 2,839.92 is: 4,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.08 : 17,407.56 = 2,839.92 : x
  2. Step 2: Convert to fraction form
    11,605.08/17,407.56 = 2,839.92/x
  3. Step 3: Cross multiply
    11,605.08x = 17,407.56 × 2,839.92
  4. Step 4: Simplify right side
    11,605.08x = 49,436,077.80
  5. Step 5: Solve for x
    x = 49,436,077.80/11,605.08
  6. Step 6: Final answer
    x = 4,259.87

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1.5x scale

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.