Home / 11,055.57-15,255.92-6,275.61

Finding the Fourth Proportional to 11,055.57, 15,255.92 and 6,275.61

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Solution

The fourth proportional to 11,055.57, 15,255.92 and 6,275.61 is: 8,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.57 : 15,255.92 = 6,275.61 : x
  2. Step 2: Convert to fraction form
    11,055.57/15,255.92 = 6,275.61/x
  3. Step 3: Cross multiply
    11,055.57x = 15,255.92 × 6,275.61
  4. Step 4: Simplify right side
    11,055.57x = 95,740,172.73
  5. Step 5: Solve for x
    x = 95,740,172.73/11,055.57
  6. Step 6: Final answer
    x = 8,659.90

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1.5x scale

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.