Home / 18,517.42-25,551.84-14,750.20

Finding the Fourth Proportional to 18,517.42, 25,551.84 and 14,750.20

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Solution

The fourth proportional to 18,517.42, 25,551.84 and 14,750.20 is: 20,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.42 : 25,551.84 = 14,750.20 : x
  2. Step 2: Convert to fraction form
    18,517.42/25,551.84 = 14,750.20/x
  3. Step 3: Cross multiply
    18,517.42x = 25,551.84 × 14,750.20
  4. Step 4: Simplify right side
    18,517.42x = 376,894,750.37
  5. Step 5: Solve for x
    x = 376,894,750.37/18,517.42
  6. Step 6: Final answer
    x = 20,353.52

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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.