Home / 13,201.25-18,226.01-8,493.71

Finding the Fourth Proportional to 13,201.25, 18,226.01 and 8,493.71

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Solution

The fourth proportional to 13,201.25, 18,226.01 and 8,493.71 is: 11,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.25 : 18,226.01 = 8,493.71 : x
  2. Step 2: Convert to fraction form
    13,201.25/18,226.01 = 8,493.71/x
  3. Step 3: Cross multiply
    13,201.25x = 18,226.01 × 8,493.71
  4. Step 4: Simplify right side
    13,201.25x = 154,806,400.93
  5. Step 5: Solve for x
    x = 154,806,400.93/13,201.25
  6. Step 6: Final answer
    x = 11,726.65

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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.