Home / 18,805.24-25,950.10-10,305.66

Finding the Fourth Proportional to 18,805.24, 25,950.10 and 10,305.66

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Solution

The fourth proportional to 18,805.24, 25,950.10 and 10,305.66 is: 14,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.24 : 25,950.10 = 10,305.66 : x
  2. Step 2: Convert to fraction form
    18,805.24/25,950.10 = 10,305.66/x
  3. Step 3: Cross multiply
    18,805.24x = 25,950.10 × 10,305.66
  4. Step 4: Simplify right side
    18,805.24x = 267,432,907.57
  5. Step 5: Solve for x
    x = 267,432,907.57/18,805.24
  6. Step 6: Final answer
    x = 14,221.19

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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.