Home / 12,233.60-18,355.20-4,443.20

Finding the Fourth Proportional to 12,233.60, 18,355.20 and 4,443.20

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Solution

The fourth proportional to 12,233.60, 18,355.20 and 4,443.20 is: 6,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.60 : 18,355.20 = 4,443.20 : x
  2. Step 2: Convert to fraction form
    12,233.60/18,355.20 = 4,443.20/x
  3. Step 3: Cross multiply
    12,233.60x = 18,355.20 × 4,443.20
  4. Step 4: Simplify right side
    12,233.60x = 81,555,824.64
  5. Step 5: Solve for x
    x = 81,555,824.64/12,233.60
  6. Step 6: Final answer
    x = 6,666.54

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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.