Home / 16,661.57-22,992.91-9,107.90

Finding the Fourth Proportional to 16,661.57, 22,992.91 and 9,107.90

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Solution

The fourth proportional to 16,661.57, 22,992.91 and 9,107.90 is: 12,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.57 : 22,992.91 = 9,107.90 : x
  2. Step 2: Convert to fraction form
    16,661.57/22,992.91 = 9,107.90/x
  3. Step 3: Cross multiply
    16,661.57x = 22,992.91 × 9,107.90
  4. Step 4: Simplify right side
    16,661.57x = 209,417,124.99
  5. Step 5: Solve for x
    x = 209,417,124.99/16,661.57
  6. Step 6: Final answer
    x = 12,568.87

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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.