Home / 12,448.92-18,673.56-3,214.92

Finding the Fourth Proportional to 12,448.92, 18,673.56 and 3,214.92

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Solution

The fourth proportional to 12,448.92, 18,673.56 and 3,214.92 is: 4,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.92 : 18,673.56 = 3,214.92 : x
  2. Step 2: Convert to fraction form
    12,448.92/18,673.56 = 3,214.92/x
  3. Step 3: Cross multiply
    12,448.92x = 18,673.56 × 3,214.92
  4. Step 4: Simplify right side
    12,448.92x = 60,034,001.52
  5. Step 5: Solve for x
    x = 60,034,001.52/12,448.92
  6. Step 6: Final answer
    x = 4,822.43

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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.