Home / 11,311.29-16,954.63-9,662.85

Finding the Fourth Proportional to 11,311.29, 16,954.63 and 9,662.85

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Solution

The fourth proportional to 11,311.29, 16,954.63 and 9,662.85 is: 14,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.29 : 16,954.63 = 9,662.85 : x
  2. Step 2: Convert to fraction form
    11,311.29/16,954.63 = 9,662.85/x
  3. Step 3: Cross multiply
    11,311.29x = 16,954.63 × 9,662.85
  4. Step 4: Simplify right side
    11,311.29x = 163,830,022.34
  5. Step 5: Solve for x
    x = 163,830,022.34/11,311.29
  6. Step 6: Final answer
    x = 14,483.76

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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.