Home / 13,294.82-19,936.22-3,931.62

Finding the Fourth Proportional to 13,294.82, 19,936.22 and 3,931.62

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Solution

The fourth proportional to 13,294.82, 19,936.22 and 3,931.62 is: 5,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.82 : 19,936.22 = 3,931.62 : x
  2. Step 2: Convert to fraction form
    13,294.82/19,936.22 = 3,931.62/x
  3. Step 3: Cross multiply
    13,294.82x = 19,936.22 × 3,931.62
  4. Step 4: Simplify right side
    13,294.82x = 78,381,621.62
  5. Step 5: Solve for x
    x = 78,381,621.62/13,294.82
  6. Step 6: Final answer
    x = 5,895.65

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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.