Home / 11,938.11-17,882.56-6,992.76

Finding the Fourth Proportional to 11,938.11, 17,882.56 and 6,992.76

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Solution

The fourth proportional to 11,938.11, 17,882.56 and 6,992.76 is: 10,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.11 : 17,882.56 = 6,992.76 : x
  2. Step 2: Convert to fraction form
    11,938.11/17,882.56 = 6,992.76/x
  3. Step 3: Cross multiply
    11,938.11x = 17,882.56 × 6,992.76
  4. Step 4: Simplify right side
    11,938.11x = 125,048,405.81
  5. Step 5: Solve for x
    x = 125,048,405.81/11,938.11
  6. Step 6: Final answer
    x = 10,474.72

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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.