Home / 12,232.78-18,338.17-4,436.13

Finding the Fourth Proportional to 12,232.78, 18,338.17 and 4,436.13

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Solution

The fourth proportional to 12,232.78, 18,338.17 and 4,436.13 is: 6,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.78 : 18,338.17 = 4,436.13 : x
  2. Step 2: Convert to fraction form
    12,232.78/18,338.17 = 4,436.13/x
  3. Step 3: Cross multiply
    12,232.78x = 18,338.17 × 4,436.13
  4. Step 4: Simplify right side
    12,232.78x = 81,350,506.08
  5. Step 5: Solve for x
    x = 81,350,506.08/12,232.78
  6. Step 6: Final answer
    x = 6,650.21

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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.