Home / 11,334.17-16,976.64-5,478.50

Finding the Fourth Proportional to 11,334.17, 16,976.64 and 5,478.50

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Solution

The fourth proportional to 11,334.17, 16,976.64 and 5,478.50 is: 8,205.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.17 : 16,976.64 = 5,478.50 : x
  2. Step 2: Convert to fraction form
    11,334.17/16,976.64 = 5,478.50/x
  3. Step 3: Cross multiply
    11,334.17x = 16,976.64 × 5,478.50
  4. Step 4: Simplify right side
    11,334.17x = 93,006,522.24
  5. Step 5: Solve for x
    x = 93,006,522.24/11,334.17
  6. Step 6: Final answer
    x = 8,205.85

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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.