Home / 22,386.44-30,891.75-12,956.42

Finding the Fourth Proportional to 22,386.44, 30,891.75 and 12,956.42

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Solution

The fourth proportional to 22,386.44, 30,891.75 and 12,956.42 is: 17,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.44 : 30,891.75 = 12,956.42 : x
  2. Step 2: Convert to fraction form
    22,386.44/30,891.75 = 12,956.42/x
  3. Step 3: Cross multiply
    22,386.44x = 30,891.75 × 12,956.42
  4. Step 4: Simplify right side
    22,386.44x = 400,246,487.54
  5. Step 5: Solve for x
    x = 400,246,487.54/22,386.44
  6. Step 6: Final answer
    x = 17,878.97

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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.