Home / 18,212.78-27,319.26-5,732.30

Finding the Fourth Proportional to 18,212.78, 27,319.26 and 5,732.30

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Solution

The fourth proportional to 18,212.78, 27,319.26 and 5,732.30 is: 8,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212.78 : 27,319.26 = 5,732.30 : x
  2. Step 2: Convert to fraction form
    18,212.78/27,319.26 = 5,732.30/x
  3. Step 3: Cross multiply
    18,212.78x = 27,319.26 × 5,732.30
  4. Step 4: Simplify right side
    18,212.78x = 156,602,194.10
  5. Step 5: Solve for x
    x = 156,602,194.10/18,212.78
  6. Step 6: Final answer
    x = 8,598.48

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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.