Home / 12,227.22-16,873.40-6,921.90

Finding the Fourth Proportional to 12,227.22, 16,873.40 and 6,921.90

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Solution

The fourth proportional to 12,227.22, 16,873.40 and 6,921.90 is: 9,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.22 : 16,873.40 = 6,921.90 : x
  2. Step 2: Convert to fraction form
    12,227.22/16,873.40 = 6,921.90/x
  3. Step 3: Cross multiply
    12,227.22x = 16,873.40 × 6,921.90
  4. Step 4: Simplify right side
    12,227.22x = 116,795,987.46
  5. Step 5: Solve for x
    x = 116,795,987.46/12,227.22
  6. Step 6: Final answer
    x = 9,552.13

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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.