Home / 22,919.94-31,623.48-13,226.99

Finding the Fourth Proportional to 22,919.94, 31,623.48 and 13,226.99

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Solution

The fourth proportional to 22,919.94, 31,623.48 and 13,226.99 is: 18,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.94 : 31,623.48 = 13,226.99 : x
  2. Step 2: Convert to fraction form
    22,919.94/31,623.48 = 13,226.99/x
  3. Step 3: Cross multiply
    22,919.94x = 31,623.48 × 13,226.99
  4. Step 4: Simplify right side
    22,919.94x = 418,283,295.61
  5. Step 5: Solve for x
    x = 418,283,295.61/22,919.94
  6. Step 6: Final answer
    x = 18,249.76

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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.