Home / 11,378.45-17,066.30-4,803.78

Finding the Fourth Proportional to 11,378.45, 17,066.30 and 4,803.78

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Solution

The fourth proportional to 11,378.45, 17,066.30 and 4,803.78 is: 7,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.45 : 17,066.30 = 4,803.78 : x
  2. Step 2: Convert to fraction form
    11,378.45/17,066.30 = 4,803.78/x
  3. Step 3: Cross multiply
    11,378.45x = 17,066.30 × 4,803.78
  4. Step 4: Simplify right side
    11,378.45x = 81,982,726.60
  5. Step 5: Solve for x
    x = 81,982,726.60/11,378.45
  6. Step 6: Final answer
    x = 7,205.09

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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.