Home / 13,555.80-20,324.10-5,232.60

Finding the Fourth Proportional to 13,555.80, 20,324.10 and 5,232.60

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Solution

The fourth proportional to 13,555.80, 20,324.10 and 5,232.60 is: 7,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.80 : 20,324.10 = 5,232.60 : x
  2. Step 2: Convert to fraction form
    13,555.80/20,324.10 = 5,232.60/x
  3. Step 3: Cross multiply
    13,555.80x = 20,324.10 × 5,232.60
  4. Step 4: Simplify right side
    13,555.80x = 106,347,885.66
  5. Step 5: Solve for x
    x = 106,347,885.66/13,555.80
  6. Step 6: Final answer
    x = 7,845.19

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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.