Home / 18,613.06-25,686.27-10,229.50

Finding the Fourth Proportional to 18,613.06, 25,686.27 and 10,229.50

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Solution

The fourth proportional to 18,613.06, 25,686.27 and 10,229.50 is: 14,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.06 : 25,686.27 = 10,229.50 : x
  2. Step 2: Convert to fraction form
    18,613.06/25,686.27 = 10,229.50/x
  3. Step 3: Cross multiply
    18,613.06x = 25,686.27 × 10,229.50
  4. Step 4: Simplify right side
    18,613.06x = 262,757,698.97
  5. Step 5: Solve for x
    x = 262,757,698.97/18,613.06
  6. Step 6: Final answer
    x = 14,116.85

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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.