Home / 11,284.53-16,908.12-7,981.26

Finding the Fourth Proportional to 11,284.53, 16,908.12 and 7,981.26

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Solution

The fourth proportional to 11,284.53, 16,908.12 and 7,981.26 is: 11,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.53 : 16,908.12 = 7,981.26 : x
  2. Step 2: Convert to fraction form
    11,284.53/16,908.12 = 7,981.26/x
  3. Step 3: Cross multiply
    11,284.53x = 16,908.12 × 7,981.26
  4. Step 4: Simplify right side
    11,284.53x = 134,948,101.83
  5. Step 5: Solve for x
    x = 134,948,101.83/11,284.53
  6. Step 6: Final answer
    x = 11,958.68

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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.