Home / 12,340.95-18,514.31-3,576.03

Finding the Fourth Proportional to 12,340.95, 18,514.31 and 3,576.03

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Solution

The fourth proportional to 12,340.95, 18,514.31 and 3,576.03 is: 5,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.95 : 18,514.31 = 3,576.03 : x
  2. Step 2: Convert to fraction form
    12,340.95/18,514.31 = 3,576.03/x
  3. Step 3: Cross multiply
    12,340.95x = 18,514.31 × 3,576.03
  4. Step 4: Simplify right side
    12,340.95x = 66,207,710.11
  5. Step 5: Solve for x
    x = 66,207,710.11/12,340.95
  6. Step 6: Final answer
    x = 5,364.88

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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.