Home / 13,737.47-20,607.48-3,742.34

Finding the Fourth Proportional to 13,737.47, 20,607.48 and 3,742.34

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Solution

The fourth proportional to 13,737.47, 20,607.48 and 3,742.34 is: 5,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737.47 : 20,607.48 = 3,742.34 : x
  2. Step 2: Convert to fraction form
    13,737.47/20,607.48 = 3,742.34/x
  3. Step 3: Cross multiply
    13,737.47x = 20,607.48 × 3,742.34
  4. Step 4: Simplify right side
    13,737.47x = 77,120,093.67
  5. Step 5: Solve for x
    x = 77,120,093.67/13,737.47
  6. Step 6: Final answer
    x = 5,613.85

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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.