Home / 13,497.80-20,237.10-5,174.60

Finding the Fourth Proportional to 13,497.80, 20,237.10 and 5,174.60

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Solution

The fourth proportional to 13,497.80, 20,237.10 and 5,174.60 is: 7,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.80 : 20,237.10 = 5,174.60 : x
  2. Step 2: Convert to fraction form
    13,497.80/20,237.10 = 5,174.60/x
  3. Step 3: Cross multiply
    13,497.80x = 20,237.10 × 5,174.60
  4. Step 4: Simplify right side
    13,497.80x = 104,718,897.66
  5. Step 5: Solve for x
    x = 104,718,897.66/13,497.80
  6. Step 6: Final answer
    x = 7,758.22

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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.