Home / 22,253.88-30,708.27-13,299.60

Finding the Fourth Proportional to 22,253.88, 30,708.27 and 13,299.60

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Solution

The fourth proportional to 22,253.88, 30,708.27 and 13,299.60 is: 18,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.88 : 30,708.27 = 13,299.60 : x
  2. Step 2: Convert to fraction form
    22,253.88/30,708.27 = 13,299.60/x
  3. Step 3: Cross multiply
    22,253.88x = 30,708.27 × 13,299.60
  4. Step 4: Simplify right side
    22,253.88x = 408,407,707.69
  5. Step 5: Solve for x
    x = 408,407,707.69/22,253.88
  6. Step 6: Final answer
    x = 18,352.20

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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.