Home / 13,307.38-19,961.13-3,445.96

Finding the Fourth Proportional to 13,307.38, 19,961.13 and 3,445.96

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Solution

The fourth proportional to 13,307.38, 19,961.13 and 3,445.96 is: 5,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.38 : 19,961.13 = 3,445.96 : x
  2. Step 2: Convert to fraction form
    13,307.38/19,961.13 = 3,445.96/x
  3. Step 3: Cross multiply
    13,307.38x = 19,961.13 × 3,445.96
  4. Step 4: Simplify right side
    13,307.38x = 68,785,255.53
  5. Step 5: Solve for x
    x = 68,785,255.53/13,307.38
  6. Step 6: Final answer
    x = 5,168.96

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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.