Home / 12,737.44-19,108.12-3,970.48

Finding the Fourth Proportional to 12,737.44, 19,108.12 and 3,970.48

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Solution

The fourth proportional to 12,737.44, 19,108.12 and 3,970.48 is: 5,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.44 : 19,108.12 = 3,970.48 : x
  2. Step 2: Convert to fraction form
    12,737.44/19,108.12 = 3,970.48/x
  3. Step 3: Cross multiply
    12,737.44x = 19,108.12 × 3,970.48
  4. Step 4: Simplify right side
    12,737.44x = 75,868,408.30
  5. Step 5: Solve for x
    x = 75,868,408.30/12,737.44
  6. Step 6: Final answer
    x = 5,956.33

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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.