Home / 13,307.88-19,961.90-3,446.48

Finding the Fourth Proportional to 13,307.88, 19,961.90 and 3,446.48

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Solution

The fourth proportional to 13,307.88, 19,961.90 and 3,446.48 is: 5,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.88 : 19,961.90 = 3,446.48 : x
  2. Step 2: Convert to fraction form
    13,307.88/19,961.90 = 3,446.48/x
  3. Step 3: Cross multiply
    13,307.88x = 19,961.90 × 3,446.48
  4. Step 4: Simplify right side
    13,307.88x = 68,798,289.11
  5. Step 5: Solve for x
    x = 68,798,289.11/13,307.88
  6. Step 6: Final answer
    x = 5,169.74

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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.