Home / 12,506.76-18,764.46-4,719.96

Finding the Fourth Proportional to 12,506.76, 18,764.46 and 4,719.96

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Solution

The fourth proportional to 12,506.76, 18,764.46 and 4,719.96 is: 7,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.76 : 18,764.46 = 4,719.96 : x
  2. Step 2: Convert to fraction form
    12,506.76/18,764.46 = 4,719.96/x
  3. Step 3: Cross multiply
    12,506.76x = 18,764.46 × 4,719.96
  4. Step 4: Simplify right side
    12,506.76x = 88,567,500.62
  5. Step 5: Solve for x
    x = 88,567,500.62/12,506.76
  6. Step 6: Final answer
    x = 7,081.57

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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.