Home / 13,369.04-20,046.81-7,824.05

Finding the Fourth Proportional to 13,369.04, 20,046.81 and 7,824.05

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Solution

The fourth proportional to 13,369.04, 20,046.81 and 7,824.05 is: 11,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.04 : 20,046.81 = 7,824.05 : x
  2. Step 2: Convert to fraction form
    13,369.04/20,046.81 = 7,824.05/x
  3. Step 3: Cross multiply
    13,369.04x = 20,046.81 × 7,824.05
  4. Step 4: Simplify right side
    13,369.04x = 156,847,243.78
  5. Step 5: Solve for x
    x = 156,847,243.78/13,369.04
  6. Step 6: Final answer
    x = 11,732.12

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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.