Home / 12,506.64-18,763.68-4,716.72

Finding the Fourth Proportional to 12,506.64, 18,763.68 and 4,716.72

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Solution

The fourth proportional to 12,506.64, 18,763.68 and 4,716.72 is: 7,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.64 : 18,763.68 = 4,716.72 : x
  2. Step 2: Convert to fraction form
    12,506.64/18,763.68 = 4,716.72/x
  3. Step 3: Cross multiply
    12,506.64x = 18,763.68 × 4,716.72
  4. Step 4: Simplify right side
    12,506.64x = 88,503,024.73
  5. Step 5: Solve for x
    x = 88,503,024.73/12,506.64
  6. Step 6: Final answer
    x = 7,076.48

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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.