Home / 22,274.19-30,738.38-13,321.70

Finding the Fourth Proportional to 22,274.19, 30,738.38 and 13,321.70

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Solution

The fourth proportional to 22,274.19, 30,738.38 and 13,321.70 is: 18,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.19 : 30,738.38 = 13,321.70 : x
  2. Step 2: Convert to fraction form
    22,274.19/30,738.38 = 13,321.70/x
  3. Step 3: Cross multiply
    22,274.19x = 30,738.38 × 13,321.70
  4. Step 4: Simplify right side
    22,274.19x = 409,487,356.46
  5. Step 5: Solve for x
    x = 409,487,356.46/22,274.19
  6. Step 6: Final answer
    x = 18,383.94

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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.