Home / 18,832.74-28,229.40-6,348.45

Finding the Fourth Proportional to 18,832.74, 28,229.40 and 6,348.45

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Solution

The fourth proportional to 18,832.74, 28,229.40 and 6,348.45 is: 9,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.74 : 28,229.40 = 6,348.45 : x
  2. Step 2: Convert to fraction form
    18,832.74/28,229.40 = 6,348.45/x
  3. Step 3: Cross multiply
    18,832.74x = 28,229.40 × 6,348.45
  4. Step 4: Simplify right side
    18,832.74x = 179,212,934.43
  5. Step 5: Solve for x
    x = 179,212,934.43/18,832.74
  6. Step 6: Final answer
    x = 9,516.03

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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.