Home / 13,702.54-20,545.83-5,372.79

Finding the Fourth Proportional to 13,702.54, 20,545.83 and 5,372.79

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Solution

The fourth proportional to 13,702.54, 20,545.83 and 5,372.79 is: 8,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.54 : 20,545.83 = 5,372.79 : x
  2. Step 2: Convert to fraction form
    13,702.54/20,545.83 = 5,372.79/x
  3. Step 3: Cross multiply
    13,702.54x = 20,545.83 × 5,372.79
  4. Step 4: Simplify right side
    13,702.54x = 110,388,429.97
  5. Step 5: Solve for x
    x = 110,388,429.97/13,702.54
  6. Step 6: Final answer
    x = 8,056.06

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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.