Home / 13,312.97-19,967.01-3,451.62

Finding the Fourth Proportional to 13,312.97, 19,967.01 and 3,451.62

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Solution

The fourth proportional to 13,312.97, 19,967.01 and 3,451.62 is: 5,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.97 : 19,967.01 = 3,451.62 : x
  2. Step 2: Convert to fraction form
    13,312.97/19,967.01 = 3,451.62/x
  3. Step 3: Cross multiply
    13,312.97x = 19,967.01 × 3,451.62
  4. Step 4: Simplify right side
    13,312.97x = 68,918,531.06
  5. Step 5: Solve for x
    x = 68,918,531.06/13,312.97
  6. Step 6: Final answer
    x = 5,176.80

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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.