Home / 12,227.11-16,867.69-7,191.24

Finding the Fourth Proportional to 12,227.11, 16,867.69 and 7,191.24

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Solution

The fourth proportional to 12,227.11, 16,867.69 and 7,191.24 is: 9,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.11 : 16,867.69 = 7,191.24 : x
  2. Step 2: Convert to fraction form
    12,227.11/16,867.69 = 7,191.24/x
  3. Step 3: Cross multiply
    12,227.11x = 16,867.69 × 7,191.24
  4. Step 4: Simplify right side
    12,227.11x = 121,299,607.04
  5. Step 5: Solve for x
    x = 121,299,607.04/12,227.11
  6. Step 6: Final answer
    x = 9,920.55

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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.