Home / 12,169.68-18,248.44-6,324.56

Finding the Fourth Proportional to 12,169.68, 18,248.44 and 6,324.56

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Solution

The fourth proportional to 12,169.68, 18,248.44 and 6,324.56 is: 9,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.68 : 18,248.44 = 6,324.56 : x
  2. Step 2: Convert to fraction form
    12,169.68/18,248.44 = 6,324.56/x
  3. Step 3: Cross multiply
    12,169.68x = 18,248.44 × 6,324.56
  4. Step 4: Simplify right side
    12,169.68x = 115,413,353.69
  5. Step 5: Solve for x
    x = 115,413,353.69/12,169.68
  6. Step 6: Final answer
    x = 9,483.68

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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.