Home / 13,141.74-19,702.20-6,564.54

Finding the Fourth Proportional to 13,141.74, 19,702.20 and 6,564.54

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Solution

The fourth proportional to 13,141.74, 19,702.20 and 6,564.54 is: 9,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.74 : 19,702.20 = 6,564.54 : x
  2. Step 2: Convert to fraction form
    13,141.74/19,702.20 = 6,564.54/x
  3. Step 3: Cross multiply
    13,141.74x = 19,702.20 × 6,564.54
  4. Step 4: Simplify right side
    13,141.74x = 129,335,879.99
  5. Step 5: Solve for x
    x = 129,335,879.99/13,141.74
  6. Step 6: Final answer
    x = 9,841.61

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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.