Home / 12,737.22-19,106.29-3,972.82

Finding the Fourth Proportional to 12,737.22, 19,106.29 and 3,972.82

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Solution

The fourth proportional to 12,737.22, 19,106.29 and 3,972.82 is: 5,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.22 : 19,106.29 = 3,972.82 : x
  2. Step 2: Convert to fraction form
    12,737.22/19,106.29 = 3,972.82/x
  3. Step 3: Cross multiply
    12,737.22x = 19,106.29 × 3,972.82
  4. Step 4: Simplify right side
    12,737.22x = 75,905,851.04
  5. Step 5: Solve for x
    x = 75,905,851.04/12,737.22
  6. Step 6: Final answer
    x = 5,959.37

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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.