Home / 22,177.26-30,609.63-15,106.50

Finding the Fourth Proportional to 22,177.26, 30,609.63 and 15,106.50

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Solution

The fourth proportional to 22,177.26, 30,609.63 and 15,106.50 is: 20,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.26 : 30,609.63 = 15,106.50 : x
  2. Step 2: Convert to fraction form
    22,177.26/30,609.63 = 15,106.50/x
  3. Step 3: Cross multiply
    22,177.26x = 30,609.63 × 15,106.50
  4. Step 4: Simplify right side
    22,177.26x = 462,404,375.60
  5. Step 5: Solve for x
    x = 462,404,375.60/22,177.26
  6. Step 6: Final answer
    x = 20,850.38

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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.