Home / 10,286.48-15,418.05-4,728.34

Finding the Fourth Proportional to 10,286.48, 15,418.05 and 4,728.34

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Solution

The fourth proportional to 10,286.48, 15,418.05 and 4,728.34 is: 7,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.48 : 15,418.05 = 4,728.34 : x
  2. Step 2: Convert to fraction form
    10,286.48/15,418.05 = 4,728.34/x
  3. Step 3: Cross multiply
    10,286.48x = 15,418.05 × 4,728.34
  4. Step 4: Simplify right side
    10,286.48x = 72,901,743.99
  5. Step 5: Solve for x
    x = 72,901,743.99/10,286.48
  6. Step 6: Final answer
    x = 7,087.14

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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.