Home / 10,729.29-16,090.79-4,153.91

Finding the Fourth Proportional to 10,729.29, 16,090.79 and 4,153.91

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Solution

The fourth proportional to 10,729.29, 16,090.79 and 4,153.91 is: 6,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.29 : 16,090.79 = 4,153.91 : x
  2. Step 2: Convert to fraction form
    10,729.29/16,090.79 = 4,153.91/x
  3. Step 3: Cross multiply
    10,729.29x = 16,090.79 × 4,153.91
  4. Step 4: Simplify right side
    10,729.29x = 66,839,592.27
  5. Step 5: Solve for x
    x = 66,839,592.27/10,729.29
  6. Step 6: Final answer
    x = 6,229.64

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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.