Home / 18,932.68-28,403.04-5,786

Finding the Fourth Proportional to 18,932.68, 28,403.04 and 5,786

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Solution

The fourth proportional to 18,932.68, 28,403.04 and 5,786 is: 8,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.68 : 28,403.04 = 5,786 : x
  2. Step 2: Convert to fraction form
    18,932.68/28,403.04 = 5,786/x
  3. Step 3: Cross multiply
    18,932.68x = 28,403.04 × 5,786
  4. Step 4: Simplify right side
    18,932.68x = 164,339,989.44
  5. Step 5: Solve for x
    x = 164,339,989.44/18,932.68
  6. Step 6: Final answer
    x = 8,680.23

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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.