Home / 12,238.28-18,352.56-4,442.84

Finding the Fourth Proportional to 12,238.28, 18,352.56 and 4,442.84

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Solution

The fourth proportional to 12,238.28, 18,352.56 and 4,442.84 is: 6,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.28 : 18,352.56 = 4,442.84 : x
  2. Step 2: Convert to fraction form
    12,238.28/18,352.56 = 4,442.84/x
  3. Step 3: Cross multiply
    12,238.28x = 18,352.56 × 4,442.84
  4. Step 4: Simplify right side
    12,238.28x = 81,537,487.67
  5. Step 5: Solve for x
    x = 81,537,487.67/12,238.28
  6. Step 6: Final answer
    x = 6,662.50

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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.