Home / 18,441.44-25,483.20-13,957.28

Finding the Fourth Proportional to 18,441.44, 25,483.20 and 13,957.28

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Solution

The fourth proportional to 18,441.44, 25,483.20 and 13,957.28 is: 19,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.44 : 25,483.20 = 13,957.28 : x
  2. Step 2: Convert to fraction form
    18,441.44/25,483.20 = 13,957.28/x
  3. Step 3: Cross multiply
    18,441.44x = 25,483.20 × 13,957.28
  4. Step 4: Simplify right side
    18,441.44x = 355,676,157.70
  5. Step 5: Solve for x
    x = 355,676,157.70/18,441.44
  6. Step 6: Final answer
    x = 19,286.79

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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.