Home / 13,849.72-20,750.94-7,614.95

Finding the Fourth Proportional to 13,849.72, 20,750.94 and 7,614.95

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Solution

The fourth proportional to 13,849.72, 20,750.94 and 7,614.95 is: 11,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.72 : 20,750.94 = 7,614.95 : x
  2. Step 2: Convert to fraction form
    13,849.72/20,750.94 = 7,614.95/x
  3. Step 3: Cross multiply
    13,849.72x = 20,750.94 × 7,614.95
  4. Step 4: Simplify right side
    13,849.72x = 158,017,370.55
  5. Step 5: Solve for x
    x = 158,017,370.55/13,849.72
  6. Step 6: Final answer
    x = 11,409.43

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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.