Home / 16,180.68-22,329.29-9,107.11

Finding the Fourth Proportional to 16,180.68, 22,329.29 and 9,107.11

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Solution

The fourth proportional to 16,180.68, 22,329.29 and 9,107.11 is: 12,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,180.68 : 22,329.29 = 9,107.11 : x
  2. Step 2: Convert to fraction form
    16,180.68/22,329.29 = 9,107.11/x
  3. Step 3: Cross multiply
    16,180.68x = 22,329.29 × 9,107.11
  4. Step 4: Simplify right side
    16,180.68x = 203,355,300.25
  5. Step 5: Solve for x
    x = 203,355,300.25/16,180.68
  6. Step 6: Final answer
    x = 12,567.78

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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.