Home / 13,137.64-19,693.94-4,366.41

Finding the Fourth Proportional to 13,137.64, 19,693.94 and 4,366.41

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Solution

The fourth proportional to 13,137.64, 19,693.94 and 4,366.41 is: 6,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.64 : 19,693.94 = 4,366.41 : x
  2. Step 2: Convert to fraction form
    13,137.64/19,693.94 = 4,366.41/x
  3. Step 3: Cross multiply
    13,137.64x = 19,693.94 × 4,366.41
  4. Step 4: Simplify right side
    13,137.64x = 85,991,720.87
  5. Step 5: Solve for x
    x = 85,991,720.87/13,137.64
  6. Step 6: Final answer
    x = 6,545.45

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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.