Home / 21,204.08-31,811.94-9,367.35

Finding the Fourth Proportional to 21,204.08, 31,811.94 and 9,367.35

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Solution

The fourth proportional to 21,204.08, 31,811.94 and 9,367.35 is: 14,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.08 : 31,811.94 = 9,367.35 : x
  2. Step 2: Convert to fraction form
    21,204.08/31,811.94 = 9,367.35/x
  3. Step 3: Cross multiply
    21,204.08x = 31,811.94 × 9,367.35
  4. Step 4: Simplify right side
    21,204.08x = 297,993,456.86
  5. Step 5: Solve for x
    x = 297,993,456.86/21,204.08
  6. Step 6: Final answer
    x = 14,053.59

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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.