Home / 11,240.78-16,867.24-4,671.50

Finding the Fourth Proportional to 11,240.78, 16,867.24 and 4,671.50

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Solution

The fourth proportional to 11,240.78, 16,867.24 and 4,671.50 is: 7,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.78 : 16,867.24 = 4,671.50 : x
  2. Step 2: Convert to fraction form
    11,240.78/16,867.24 = 4,671.50/x
  3. Step 3: Cross multiply
    11,240.78x = 16,867.24 × 4,671.50
  4. Step 4: Simplify right side
    11,240.78x = 78,795,311.66
  5. Step 5: Solve for x
    x = 78,795,311.66/11,240.78
  6. Step 6: Final answer
    x = 7,009.77

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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.