Home / 22,141.08-30,556.38-12,712.68

Finding the Fourth Proportional to 22,141.08, 30,556.38 and 12,712.68

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Solution

The fourth proportional to 22,141.08, 30,556.38 and 12,712.68 is: 17,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.08 : 30,556.38 = 12,712.68 : x
  2. Step 2: Convert to fraction form
    22,141.08/30,556.38 = 12,712.68/x
  3. Step 3: Cross multiply
    22,141.08x = 30,556.38 × 12,712.68
  4. Step 4: Simplify right side
    22,141.08x = 388,453,480.90
  5. Step 5: Solve for x
    x = 388,453,480.90/22,141.08
  6. Step 6: Final answer
    x = 17,544.47

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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.