Home / 16,680.66-25,021.16-6,813.19

Finding the Fourth Proportional to 16,680.66, 25,021.16 and 6,813.19

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Solution

The fourth proportional to 16,680.66, 25,021.16 and 6,813.19 is: 10,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.66 : 25,021.16 = 6,813.19 : x
  2. Step 2: Convert to fraction form
    16,680.66/25,021.16 = 6,813.19/x
  3. Step 3: Cross multiply
    16,680.66x = 25,021.16 × 6,813.19
  4. Step 4: Simplify right side
    16,680.66x = 170,473,874.28
  5. Step 5: Solve for x
    x = 170,473,874.28/16,680.66
  6. Step 6: Final answer
    x = 10,219.85

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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.