Home / 12,516.66-17,272.78-6,851.25

Finding the Fourth Proportional to 12,516.66, 17,272.78 and 6,851.25

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Solution

The fourth proportional to 12,516.66, 17,272.78 and 6,851.25 is: 9,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.66 : 17,272.78 = 6,851.25 : x
  2. Step 2: Convert to fraction form
    12,516.66/17,272.78 = 6,851.25/x
  3. Step 3: Cross multiply
    12,516.66x = 17,272.78 × 6,851.25
  4. Step 4: Simplify right side
    12,516.66x = 118,340,116.85
  5. Step 5: Solve for x
    x = 118,340,116.85/12,516.66
  6. Step 6: Final answer
    x = 9,454.61

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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.