Home / 22,936.42-31,644.78-13,374.14

Finding the Fourth Proportional to 22,936.42, 31,644.78 and 13,374.14

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Solution

The fourth proportional to 22,936.42, 31,644.78 and 13,374.14 is: 18,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.42 : 31,644.78 = 13,374.14 : x
  2. Step 2: Convert to fraction form
    22,936.42/31,644.78 = 13,374.14/x
  3. Step 3: Cross multiply
    22,936.42x = 31,644.78 × 13,374.14
  4. Step 4: Simplify right side
    22,936.42x = 423,221,717.99
  5. Step 5: Solve for x
    x = 423,221,717.99/22,936.42
  6. Step 6: Final answer
    x = 18,451.96

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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.