Home / 18,039.35-24,878.19-11,325.61

Finding the Fourth Proportional to 18,039.35, 24,878.19 and 11,325.61

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Solution

The fourth proportional to 18,039.35, 24,878.19 and 11,325.61 is: 15,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.35 : 24,878.19 = 11,325.61 : x
  2. Step 2: Convert to fraction form
    18,039.35/24,878.19 = 11,325.61/x
  3. Step 3: Cross multiply
    18,039.35x = 24,878.19 × 11,325.61
  4. Step 4: Simplify right side
    18,039.35x = 281,760,496.43
  5. Step 5: Solve for x
    x = 281,760,496.43/18,039.35
  6. Step 6: Final answer
    x = 15,619.22

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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.