Home / 18,229.05-27,343.59-10,432.40

Finding the Fourth Proportional to 18,229.05, 27,343.59 and 10,432.40

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Solution

The fourth proportional to 18,229.05, 27,343.59 and 10,432.40 is: 15,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.05 : 27,343.59 = 10,432.40 : x
  2. Step 2: Convert to fraction form
    18,229.05/27,343.59 = 10,432.40/x
  3. Step 3: Cross multiply
    18,229.05x = 27,343.59 × 10,432.40
  4. Step 4: Simplify right side
    18,229.05x = 285,259,268.32
  5. Step 5: Solve for x
    x = 285,259,268.32/18,229.05
  6. Step 6: Final answer
    x = 15,648.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.