Home / 10,934.21-16,387.47-6,983.96

Finding the Fourth Proportional to 10,934.21, 16,387.47 and 6,983.96

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Solution

The fourth proportional to 10,934.21, 16,387.47 and 6,983.96 is: 10,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.21 : 16,387.47 = 6,983.96 : x
  2. Step 2: Convert to fraction form
    10,934.21/16,387.47 = 6,983.96/x
  3. Step 3: Cross multiply
    10,934.21x = 16,387.47 × 6,983.96
  4. Step 4: Simplify right side
    10,934.21x = 114,449,353.04
  5. Step 5: Solve for x
    x = 114,449,353.04/10,934.21
  6. Step 6: Final answer
    x = 10,467.09

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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.