Home / 12,633.18-18,949.32-4,313.46

Finding the Fourth Proportional to 12,633.18, 18,949.32 and 4,313.46

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Solution

The fourth proportional to 12,633.18, 18,949.32 and 4,313.46 is: 6,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.18 : 18,949.32 = 4,313.46 : x
  2. Step 2: Convert to fraction form
    12,633.18/18,949.32 = 4,313.46/x
  3. Step 3: Cross multiply
    12,633.18x = 18,949.32 × 4,313.46
  4. Step 4: Simplify right side
    12,633.18x = 81,737,133.85
  5. Step 5: Solve for x
    x = 81,737,133.85/12,633.18
  6. Step 6: Final answer
    x = 6,470.04

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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.