Home / 12,525.30-18,787.32-4,204.68

Finding the Fourth Proportional to 12,525.30, 18,787.32 and 4,204.68

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Solution

The fourth proportional to 12,525.30, 18,787.32 and 4,204.68 is: 6,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.30 : 18,787.32 = 4,204.68 : x
  2. Step 2: Convert to fraction form
    12,525.30/18,787.32 = 4,204.68/x
  3. Step 3: Cross multiply
    12,525.30x = 18,787.32 × 4,204.68
  4. Step 4: Simplify right side
    12,525.30x = 78,994,668.66
  5. Step 5: Solve for x
    x = 78,994,668.66/12,525.30
  6. Step 6: Final answer
    x = 6,306.81

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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.