Home / 11,231.34-16,849.47-3,440.76

Finding the Fourth Proportional to 11,231.34, 16,849.47 and 3,440.76

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Solution

The fourth proportional to 11,231.34, 16,849.47 and 3,440.76 is: 5,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.34 : 16,849.47 = 3,440.76 : x
  2. Step 2: Convert to fraction form
    11,231.34/16,849.47 = 3,440.76/x
  3. Step 3: Cross multiply
    11,231.34x = 16,849.47 × 3,440.76
  4. Step 4: Simplify right side
    11,231.34x = 57,974,982.40
  5. Step 5: Solve for x
    x = 57,974,982.40/11,231.34
  6. Step 6: Final answer
    x = 5,161.89

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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.