Home / 10,939.36-16,367.52-6,707.52

Finding the Fourth Proportional to 10,939.36, 16,367.52 and 6,707.52

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Solution

The fourth proportional to 10,939.36, 16,367.52 and 6,707.52 is: 10,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.36 : 16,367.52 = 6,707.52 : x
  2. Step 2: Convert to fraction form
    10,939.36/16,367.52 = 6,707.52/x
  3. Step 3: Cross multiply
    10,939.36x = 16,367.52 × 6,707.52
  4. Step 4: Simplify right side
    10,939.36x = 109,785,467.75
  5. Step 5: Solve for x
    x = 109,785,467.75/10,939.36
  6. Step 6: Final answer
    x = 10,035.82

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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.