Home / 13,726.56-20,591.07-3,865.95

Finding the Fourth Proportional to 13,726.56, 20,591.07 and 3,865.95

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Solution

The fourth proportional to 13,726.56, 20,591.07 and 3,865.95 is: 5,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.56 : 20,591.07 = 3,865.95 : x
  2. Step 2: Convert to fraction form
    13,726.56/20,591.07 = 3,865.95/x
  3. Step 3: Cross multiply
    13,726.56x = 20,591.07 × 3,865.95
  4. Step 4: Simplify right side
    13,726.56x = 79,604,047.07
  5. Step 5: Solve for x
    x = 79,604,047.07/13,726.56
  6. Step 6: Final answer
    x = 5,799.27

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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.