Home / 11,429.80-17,136.60-4,407.10

Finding the Fourth Proportional to 11,429.80, 17,136.60 and 4,407.10

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Solution

The fourth proportional to 11,429.80, 17,136.60 and 4,407.10 is: 6,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.80 : 17,136.60 = 4,407.10 : x
  2. Step 2: Convert to fraction form
    11,429.80/17,136.60 = 4,407.10/x
  3. Step 3: Cross multiply
    11,429.80x = 17,136.60 × 4,407.10
  4. Step 4: Simplify right side
    11,429.80x = 75,522,709.86
  5. Step 5: Solve for x
    x = 75,522,709.86/11,429.80
  6. Step 6: Final answer
    x = 6,607.53

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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.