Home / 11,129.39-16,682.54-6,959.82

Finding the Fourth Proportional to 11,129.39, 16,682.54 and 6,959.82

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Solution

The fourth proportional to 11,129.39, 16,682.54 and 6,959.82 is: 10,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.39 : 16,682.54 = 6,959.82 : x
  2. Step 2: Convert to fraction form
    11,129.39/16,682.54 = 6,959.82/x
  3. Step 3: Cross multiply
    11,129.39x = 16,682.54 × 6,959.82
  4. Step 4: Simplify right side
    11,129.39x = 116,107,555.50
  5. Step 5: Solve for x
    x = 116,107,555.50/11,129.39
  6. Step 6: Final answer
    x = 10,432.52

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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.