Home / 13,891.06-19,169.63-7,517.63

Finding the Fourth Proportional to 13,891.06, 19,169.63 and 7,517.63

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Solution

The fourth proportional to 13,891.06, 19,169.63 and 7,517.63 is: 10,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.06 : 19,169.63 = 7,517.63 : x
  2. Step 2: Convert to fraction form
    13,891.06/19,169.63 = 7,517.63/x
  3. Step 3: Cross multiply
    13,891.06x = 19,169.63 × 7,517.63
  4. Step 4: Simplify right side
    13,891.06x = 144,110,052.14
  5. Step 5: Solve for x
    x = 144,110,052.14/13,891.06
  6. Step 6: Final answer
    x = 10,374.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.