Home / 16,579.11-22,880.36-9,311.79

Finding the Fourth Proportional to 16,579.11, 22,880.36 and 9,311.79

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Solution

The fourth proportional to 16,579.11, 22,880.36 and 9,311.79 is: 12,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.11 : 22,880.36 = 9,311.79 : x
  2. Step 2: Convert to fraction form
    16,579.11/22,880.36 = 9,311.79/x
  3. Step 3: Cross multiply
    16,579.11x = 22,880.36 × 9,311.79
  4. Step 4: Simplify right side
    16,579.11x = 213,057,060.89
  5. Step 5: Solve for x
    x = 213,057,060.89/16,579.11
  6. Step 6: Final answer
    x = 12,850.93

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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.