Home / 12,232.60-18,356.10-4,442.20

Finding the Fourth Proportional to 12,232.60, 18,356.10 and 4,442.20

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Solution

The fourth proportional to 12,232.60, 18,356.10 and 4,442.20 is: 6,665.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.60 : 18,356.10 = 4,442.20 : x
  2. Step 2: Convert to fraction form
    12,232.60/18,356.10 = 4,442.20/x
  3. Step 3: Cross multiply
    12,232.60x = 18,356.10 × 4,442.20
  4. Step 4: Simplify right side
    12,232.60x = 81,541,467.42
  5. Step 5: Solve for x
    x = 81,541,467.42/12,232.60
  6. Step 6: Final answer
    x = 6,665.91

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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.