Home / 12,610.68-18,913.84-3,374.52

Finding the Fourth Proportional to 12,610.68, 18,913.84 and 3,374.52

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Solution

The fourth proportional to 12,610.68, 18,913.84 and 3,374.52 is: 5,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.68 : 18,913.84 = 3,374.52 : x
  2. Step 2: Convert to fraction form
    12,610.68/18,913.84 = 3,374.52/x
  3. Step 3: Cross multiply
    12,610.68x = 18,913.84 × 3,374.52
  4. Step 4: Simplify right side
    12,610.68x = 63,825,131.36
  5. Step 5: Solve for x
    x = 63,825,131.36/12,610.68
  6. Step 6: Final answer
    x = 5,061.20

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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.