Home / 11,136.30-16,672.05-9,969.90

Finding the Fourth Proportional to 11,136.30, 16,672.05 and 9,969.90

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Solution

The fourth proportional to 11,136.30, 16,672.05 and 9,969.90 is: 14,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.30 : 16,672.05 = 9,969.90 : x
  2. Step 2: Convert to fraction form
    11,136.30/16,672.05 = 9,969.90/x
  3. Step 3: Cross multiply
    11,136.30x = 16,672.05 × 9,969.90
  4. Step 4: Simplify right side
    11,136.30x = 166,218,671.30
  5. Step 5: Solve for x
    x = 166,218,671.30/11,136.30
  6. Step 6: Final answer
    x = 14,925.84

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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.