Home / 22,694.13-31,315.49-12,620.94

Finding the Fourth Proportional to 22,694.13, 31,315.49 and 12,620.94

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Solution

The fourth proportional to 22,694.13, 31,315.49 and 12,620.94 is: 17,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.13 : 31,315.49 = 12,620.94 : x
  2. Step 2: Convert to fraction form
    22,694.13/31,315.49 = 12,620.94/x
  3. Step 3: Cross multiply
    22,694.13x = 31,315.49 × 12,620.94
  4. Step 4: Simplify right side
    22,694.13x = 395,230,700.68
  5. Step 5: Solve for x
    x = 395,230,700.68/22,694.13
  6. Step 6: Final answer
    x = 17,415.55

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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.