Home / 18,079.12-24,949.80-10,121.68

Finding the Fourth Proportional to 18,079.12, 24,949.80 and 10,121.68

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Solution

The fourth proportional to 18,079.12, 24,949.80 and 10,121.68 is: 13,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.12 : 24,949.80 = 10,121.68 : x
  2. Step 2: Convert to fraction form
    18,079.12/24,949.80 = 10,121.68/x
  3. Step 3: Cross multiply
    18,079.12x = 24,949.80 × 10,121.68
  4. Step 4: Simplify right side
    18,079.12x = 252,533,891.66
  5. Step 5: Solve for x
    x = 252,533,891.66/18,079.12
  6. Step 6: Final answer
    x = 13,968.26

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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.