Home / 12,506.19-18,756.50-3,739.97

Finding the Fourth Proportional to 12,506.19, 18,756.50 and 3,739.97

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Solution

The fourth proportional to 12,506.19, 18,756.50 and 3,739.97 is: 5,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.19 : 18,756.50 = 3,739.97 : x
  2. Step 2: Convert to fraction form
    12,506.19/18,756.50 = 3,739.97/x
  3. Step 3: Cross multiply
    12,506.19x = 18,756.50 × 3,739.97
  4. Step 4: Simplify right side
    12,506.19x = 70,148,634.82
  5. Step 5: Solve for x
    x = 70,148,634.82/12,506.19
  6. Step 6: Final answer
    x = 5,609.11

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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.