Home / 13,307.40-19,961.10-3,446.60

Finding the Fourth Proportional to 13,307.40, 19,961.10 and 3,446.60

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Solution

The fourth proportional to 13,307.40, 19,961.10 and 3,446.60 is: 5,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.40 : 19,961.10 = 3,446.60 : x
  2. Step 2: Convert to fraction form
    13,307.40/19,961.10 = 3,446.60/x
  3. Step 3: Cross multiply
    13,307.40x = 19,961.10 × 3,446.60
  4. Step 4: Simplify right side
    13,307.40x = 68,797,927.26
  5. Step 5: Solve for x
    x = 68,797,927.26/13,307.40
  6. Step 6: Final answer
    x = 5,169.90

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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.