Home / 12,523.26-18,787.71-4,203.74

Finding the Fourth Proportional to 12,523.26, 18,787.71 and 4,203.74

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Solution

The fourth proportional to 12,523.26, 18,787.71 and 4,203.74 is: 6,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.26 : 18,787.71 = 4,203.74 : x
  2. Step 2: Convert to fraction form
    12,523.26/18,787.71 = 4,203.74/x
  3. Step 3: Cross multiply
    12,523.26x = 18,787.71 × 4,203.74
  4. Step 4: Simplify right side
    12,523.26x = 78,978,648.04
  5. Step 5: Solve for x
    x = 78,978,648.04/12,523.26
  6. Step 6: Final answer
    x = 6,306.56

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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.