Home / 18,268.20-25,166.70-15,060.60

Finding the Fourth Proportional to 18,268.20, 25,166.70 and 15,060.60

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Solution

The fourth proportional to 18,268.20, 25,166.70 and 15,060.60 is: 20,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.20 : 25,166.70 = 15,060.60 : x
  2. Step 2: Convert to fraction form
    18,268.20/25,166.70 = 15,060.60/x
  3. Step 3: Cross multiply
    18,268.20x = 25,166.70 × 15,060.60
  4. Step 4: Simplify right side
    18,268.20x = 379,025,602.02
  5. Step 5: Solve for x
    x = 379,025,602.02/18,268.20
  6. Step 6: Final answer
    x = 20,747.84

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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.