Home / 11,088-16,622.69-4,518.90

Finding the Fourth Proportional to 11,088, 16,622.69 and 4,518.90

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Solution

The fourth proportional to 11,088, 16,622.69 and 4,518.90 is: 6,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088 : 16,622.69 = 4,518.90 : x
  2. Step 2: Convert to fraction form
    11,088/16,622.69 = 4,518.90/x
  3. Step 3: Cross multiply
    11,088x = 16,622.69 × 4,518.90
  4. Step 4: Simplify right side
    11,088x = 75,116,251.25
  5. Step 5: Solve for x
    x = 75,116,251.25/11,088
  6. Step 6: Final answer
    x = 6,774.55

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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.