Home / 22,422.63-30,944.04-13,929.44

Finding the Fourth Proportional to 22,422.63, 30,944.04 and 13,929.44

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Solution

The fourth proportional to 22,422.63, 30,944.04 and 13,929.44 is: 19,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.63 : 30,944.04 = 13,929.44 : x
  2. Step 2: Convert to fraction form
    22,422.63/30,944.04 = 13,929.44/x
  3. Step 3: Cross multiply
    22,422.63x = 30,944.04 × 13,929.44
  4. Step 4: Simplify right side
    22,422.63x = 431,033,148.54
  5. Step 5: Solve for x
    x = 431,033,148.54/22,422.63
  6. Step 6: Final answer
    x = 19,223.13

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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.