Home / 13,132.34-19,695.50-3,772.29

Finding the Fourth Proportional to 13,132.34, 19,695.50 and 3,772.29

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Solution

The fourth proportional to 13,132.34, 19,695.50 and 3,772.29 is: 5,657.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.34 : 19,695.50 = 3,772.29 : x
  2. Step 2: Convert to fraction form
    13,132.34/19,695.50 = 3,772.29/x
  3. Step 3: Cross multiply
    13,132.34x = 19,695.50 × 3,772.29
  4. Step 4: Simplify right side
    13,132.34x = 74,297,137.70
  5. Step 5: Solve for x
    x = 74,297,137.70/13,132.34
  6. Step 6: Final answer
    x = 5,657.57

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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.