Home / 13,844.07-20,760.98-5,521.59

Finding the Fourth Proportional to 13,844.07, 20,760.98 and 5,521.59

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Solution

The fourth proportional to 13,844.07, 20,760.98 and 5,521.59 is: 8,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.07 : 20,760.98 = 5,521.59 : x
  2. Step 2: Convert to fraction form
    13,844.07/20,760.98 = 5,521.59/x
  3. Step 3: Cross multiply
    13,844.07x = 20,760.98 × 5,521.59
  4. Step 4: Simplify right side
    13,844.07x = 114,633,591.95
  5. Step 5: Solve for x
    x = 114,633,591.95/13,844.07
  6. Step 6: Final answer
    x = 8,280.34

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1.5x scale

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.