Home / 10,935.24-16,403.70-3,144.66

Finding the Fourth Proportional to 10,935.24, 16,403.70 and 3,144.66

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Solution

The fourth proportional to 10,935.24, 16,403.70 and 3,144.66 is: 4,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.24 : 16,403.70 = 3,144.66 : x
  2. Step 2: Convert to fraction form
    10,935.24/16,403.70 = 3,144.66/x
  3. Step 3: Cross multiply
    10,935.24x = 16,403.70 × 3,144.66
  4. Step 4: Simplify right side
    10,935.24x = 51,584,059.24
  5. Step 5: Solve for x
    x = 51,584,059.24/10,935.24
  6. Step 6: Final answer
    x = 4,717.23

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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.