Home / 11,837.75-17,751.45-6,289.75

Finding the Fourth Proportional to 11,837.75, 17,751.45 and 6,289.75

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Solution

The fourth proportional to 11,837.75, 17,751.45 and 6,289.75 is: 9,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.75 : 17,751.45 = 6,289.75 : x
  2. Step 2: Convert to fraction form
    11,837.75/17,751.45 = 6,289.75/x
  3. Step 3: Cross multiply
    11,837.75x = 17,751.45 × 6,289.75
  4. Step 4: Simplify right side
    11,837.75x = 111,652,228.41
  5. Step 5: Solve for x
    x = 111,652,228.41/11,837.75
  6. Step 6: Final answer
    x = 9,431.88

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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.