Home / 12,627.19-18,938.35-4,306.46

Finding the Fourth Proportional to 12,627.19, 18,938.35 and 4,306.46

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Solution

The fourth proportional to 12,627.19, 18,938.35 and 4,306.46 is: 6,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.19 : 18,938.35 = 4,306.46 : x
  2. Step 2: Convert to fraction form
    12,627.19/18,938.35 = 4,306.46/x
  3. Step 3: Cross multiply
    12,627.19x = 18,938.35 × 4,306.46
  4. Step 4: Simplify right side
    12,627.19x = 81,557,246.74
  5. Step 5: Solve for x
    x = 81,557,246.74/12,627.19
  6. Step 6: Final answer
    x = 6,458.86

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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.