Home / 22,811.60-34,195.80-7,220.72

Finding the Fourth Proportional to 22,811.60, 34,195.80 and 7,220.72

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Solution

The fourth proportional to 22,811.60, 34,195.80 and 7,220.72 is: 10,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.60 : 34,195.80 = 7,220.72 : x
  2. Step 2: Convert to fraction form
    22,811.60/34,195.80 = 7,220.72/x
  3. Step 3: Cross multiply
    22,811.60x = 34,195.80 × 7,220.72
  4. Step 4: Simplify right side
    22,811.60x = 246,918,296.98
  5. Step 5: Solve for x
    x = 246,918,296.98/22,811.60
  6. Step 6: Final answer
    x = 10,824.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.