Home / 11,953.32-17,932.11-4,929.42

Finding the Fourth Proportional to 11,953.32, 17,932.11 and 4,929.42

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Solution

The fourth proportional to 11,953.32, 17,932.11 and 4,929.42 is: 7,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.32 : 17,932.11 = 4,929.42 : x
  2. Step 2: Convert to fraction form
    11,953.32/17,932.11 = 4,929.42/x
  3. Step 3: Cross multiply
    11,953.32x = 17,932.11 × 4,929.42
  4. Step 4: Simplify right side
    11,953.32x = 88,394,901.68
  5. Step 5: Solve for x
    x = 88,394,901.68/11,953.32
  6. Step 6: Final answer
    x = 7,395.01

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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.