Home / 11,867.91-17,803.07-3,102.90

Finding the Fourth Proportional to 11,867.91, 17,803.07 and 3,102.90

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Solution

The fourth proportional to 11,867.91, 17,803.07 and 3,102.90 is: 4,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.91 : 17,803.07 = 3,102.90 : x
  2. Step 2: Convert to fraction form
    11,867.91/17,803.07 = 3,102.90/x
  3. Step 3: Cross multiply
    11,867.91x = 17,803.07 × 3,102.90
  4. Step 4: Simplify right side
    11,867.91x = 55,241,145.90
  5. Step 5: Solve for x
    x = 55,241,145.90/11,867.91
  6. Step 6: Final answer
    x = 4,654.67

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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.