Home / 13,126.98-19,694.38-6,111.14

Finding the Fourth Proportional to 13,126.98, 19,694.38 and 6,111.14

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Solution

The fourth proportional to 13,126.98, 19,694.38 and 6,111.14 is: 9,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.98 : 19,694.38 = 6,111.14 : x
  2. Step 2: Convert to fraction form
    13,126.98/19,694.38 = 6,111.14/x
  3. Step 3: Cross multiply
    13,126.98x = 19,694.38 × 6,111.14
  4. Step 4: Simplify right side
    13,126.98x = 120,355,113.39
  5. Step 5: Solve for x
    x = 120,355,113.39/13,126.98
  6. Step 6: Final answer
    x = 9,168.53

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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.