Home / 15,236.80-22,825.44-13,585.60

Finding the Fourth Proportional to 15,236.80, 22,825.44 and 13,585.60

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Solution

The fourth proportional to 15,236.80, 22,825.44 and 13,585.60 is: 20,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.80 : 22,825.44 = 13,585.60 : x
  2. Step 2: Convert to fraction form
    15,236.80/22,825.44 = 13,585.60/x
  3. Step 3: Cross multiply
    15,236.80x = 22,825.44 × 13,585.60
  4. Step 4: Simplify right side
    15,236.80x = 310,097,297.66
  5. Step 5: Solve for x
    x = 310,097,297.66/15,236.80
  6. Step 6: Final answer
    x = 20,351.87

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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.