Home / 13,122.05-19,677.29-3,759.95

Finding the Fourth Proportional to 13,122.05, 19,677.29 and 3,759.95

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Solution

The fourth proportional to 13,122.05, 19,677.29 and 3,759.95 is: 5,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.05 : 19,677.29 = 3,759.95 : x
  2. Step 2: Convert to fraction form
    13,122.05/19,677.29 = 3,759.95/x
  3. Step 3: Cross multiply
    13,122.05x = 19,677.29 × 3,759.95
  4. Step 4: Simplify right side
    13,122.05x = 73,985,656.93
  5. Step 5: Solve for x
    x = 73,985,656.93/13,122.05
  6. Step 6: Final answer
    x = 5,638.27

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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.