Home / 11,789.15-17,683.92-9,438.22

Finding the Fourth Proportional to 11,789.15, 17,683.92 and 9,438.22

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Solution

The fourth proportional to 11,789.15, 17,683.92 and 9,438.22 is: 14,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.15 : 17,683.92 = 9,438.22 : x
  2. Step 2: Convert to fraction form
    11,789.15/17,683.92 = 9,438.22/x
  3. Step 3: Cross multiply
    11,789.15x = 17,683.92 × 9,438.22
  4. Step 4: Simplify right side
    11,789.15x = 166,904,749.53
  5. Step 5: Solve for x
    x = 166,904,749.53/11,789.15
  6. Step 6: Final answer
    x = 14,157.49

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1.5x scale

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.