Home / 18,220.08-27,333.96-5,743.65

Finding the Fourth Proportional to 18,220.08, 27,333.96 and 5,743.65

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Solution

The fourth proportional to 18,220.08, 27,333.96 and 5,743.65 is: 8,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.08 : 27,333.96 = 5,743.65 : x
  2. Step 2: Convert to fraction form
    18,220.08/27,333.96 = 5,743.65/x
  3. Step 3: Cross multiply
    18,220.08x = 27,333.96 × 5,743.65
  4. Step 4: Simplify right side
    18,220.08x = 156,996,699.35
  5. Step 5: Solve for x
    x = 156,996,699.35/18,220.08
  6. Step 6: Final answer
    x = 8,616.69

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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.