Home / 21,606.11-32,409.16-6,816.52

Finding the Fourth Proportional to 21,606.11, 32,409.16 and 6,816.52

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Solution

The fourth proportional to 21,606.11, 32,409.16 and 6,816.52 is: 10,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.11 : 32,409.16 = 6,816.52 : x
  2. Step 2: Convert to fraction form
    21,606.11/32,409.16 = 6,816.52/x
  3. Step 3: Cross multiply
    21,606.11x = 32,409.16 × 6,816.52
  4. Step 4: Simplify right side
    21,606.11x = 220,917,589.26
  5. Step 5: Solve for x
    x = 220,917,589.26/21,606.11
  6. Step 6: Final answer
    x = 10,224.78

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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.