Home / 12,552.02-17,321.92-6,886.78

Finding the Fourth Proportional to 12,552.02, 17,321.92 and 6,886.78

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Solution

The fourth proportional to 12,552.02, 17,321.92 and 6,886.78 is: 9,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.02 : 17,321.92 = 6,886.78 : x
  2. Step 2: Convert to fraction form
    12,552.02/17,321.92 = 6,886.78/x
  3. Step 3: Cross multiply
    12,552.02x = 17,321.92 × 6,886.78
  4. Step 4: Simplify right side
    12,552.02x = 119,292,252.22
  5. Step 5: Solve for x
    x = 119,292,252.22/12,552.02
  6. Step 6: Final answer
    x = 9,503.83

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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.