Home / 10,286.54-15,418.88-5,351.24

Finding the Fourth Proportional to 10,286.54, 15,418.88 and 5,351.24

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Solution

The fourth proportional to 10,286.54, 15,418.88 and 5,351.24 is: 8,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.54 : 15,418.88 = 5,351.24 : x
  2. Step 2: Convert to fraction form
    10,286.54/15,418.88 = 5,351.24/x
  3. Step 3: Cross multiply
    10,286.54x = 15,418.88 × 5,351.24
  4. Step 4: Simplify right side
    10,286.54x = 82,510,127.41
  5. Step 5: Solve for x
    x = 82,510,127.41/10,286.54
  6. Step 6: Final answer
    x = 8,021.17

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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.