Home / 13,747.82-18,963.18-9,491.67

Finding the Fourth Proportional to 13,747.82, 18,963.18 and 9,491.67

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Solution

The fourth proportional to 13,747.82, 18,963.18 and 9,491.67 is: 13,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.82 : 18,963.18 = 9,491.67 : x
  2. Step 2: Convert to fraction form
    13,747.82/18,963.18 = 9,491.67/x
  3. Step 3: Cross multiply
    13,747.82x = 18,963.18 × 9,491.67
  4. Step 4: Simplify right side
    13,747.82x = 179,992,246.71
  5. Step 5: Solve for x
    x = 179,992,246.71/13,747.82
  6. Step 6: Final answer
    x = 13,092.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.