Home / 18,826.62-28,244.48-5,678.19

Finding the Fourth Proportional to 18,826.62, 28,244.48 and 5,678.19

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Solution

The fourth proportional to 18,826.62, 28,244.48 and 5,678.19 is: 8,518.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.62 : 28,244.48 = 5,678.19 : x
  2. Step 2: Convert to fraction form
    18,826.62/28,244.48 = 5,678.19/x
  3. Step 3: Cross multiply
    18,826.62x = 28,244.48 × 5,678.19
  4. Step 4: Simplify right side
    18,826.62x = 160,377,523.89
  5. Step 5: Solve for x
    x = 160,377,523.89/18,826.62
  6. Step 6: Final answer
    x = 8,518.66

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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.