Home / 13,462.83-20,194.92-5,143.57

Finding the Fourth Proportional to 13,462.83, 20,194.92 and 5,143.57

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Solution

The fourth proportional to 13,462.83, 20,194.92 and 5,143.57 is: 7,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.83 : 20,194.92 = 5,143.57 : x
  2. Step 2: Convert to fraction form
    13,462.83/20,194.92 = 5,143.57/x
  3. Step 3: Cross multiply
    13,462.83x = 20,194.92 × 5,143.57
  4. Step 4: Simplify right side
    13,462.83x = 103,873,984.66
  5. Step 5: Solve for x
    x = 103,873,984.66/13,462.83
  6. Step 6: Final answer
    x = 7,715.61

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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.