Home / 12,552.54-18,822.12-4,229.76

Finding the Fourth Proportional to 12,552.54, 18,822.12 and 4,229.76

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Solution

The fourth proportional to 12,552.54, 18,822.12 and 4,229.76 is: 6,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.54 : 18,822.12 = 4,229.76 : x
  2. Step 2: Convert to fraction form
    12,552.54/18,822.12 = 4,229.76/x
  3. Step 3: Cross multiply
    12,552.54x = 18,822.12 × 4,229.76
  4. Step 4: Simplify right side
    12,552.54x = 79,613,050.29
  5. Step 5: Solve for x
    x = 79,613,050.29/12,552.54
  6. Step 6: Final answer
    x = 6,342.39

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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.