Home / 11,207.76-16,811.91-2,887.98

Finding the Fourth Proportional to 11,207.76, 16,811.91 and 2,887.98

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Solution

The fourth proportional to 11,207.76, 16,811.91 and 2,887.98 is: 4,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.76 : 16,811.91 = 2,887.98 : x
  2. Step 2: Convert to fraction form
    11,207.76/16,811.91 = 2,887.98/x
  3. Step 3: Cross multiply
    11,207.76x = 16,811.91 × 2,887.98
  4. Step 4: Simplify right side
    11,207.76x = 48,552,459.84
  5. Step 5: Solve for x
    x = 48,552,459.84/11,207.76
  6. Step 6: Final answer
    x = 4,332.04

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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.