Home / 13,137.24-19,711.62-5,743.56

Finding the Fourth Proportional to 13,137.24, 19,711.62 and 5,743.56

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Solution

The fourth proportional to 13,137.24, 19,711.62 and 5,743.56 is: 8,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.24 : 19,711.62 = 5,743.56 : x
  2. Step 2: Convert to fraction form
    13,137.24/19,711.62 = 5,743.56/x
  3. Step 3: Cross multiply
    13,137.24x = 19,711.62 × 5,743.56
  4. Step 4: Simplify right side
    13,137.24x = 113,214,872.17
  5. Step 5: Solve for x
    x = 113,214,872.17/13,137.24
  6. Step 6: Final answer
    x = 8,617.86

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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.