Home / 16,042.07-22,137.68-8,969.15

Finding the Fourth Proportional to 16,042.07, 22,137.68 and 8,969.15

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Solution

The fourth proportional to 16,042.07, 22,137.68 and 8,969.15 is: 12,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.07 : 22,137.68 = 8,969.15 : x
  2. Step 2: Convert to fraction form
    16,042.07/22,137.68 = 8,969.15/x
  3. Step 3: Cross multiply
    16,042.07x = 22,137.68 × 8,969.15
  4. Step 4: Simplify right side
    16,042.07x = 198,556,084.31
  5. Step 5: Solve for x
    x = 198,556,084.31/16,042.07
  6. Step 6: Final answer
    x = 12,377.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.