Home / 13,537.87-20,310.33-5,637.89

Finding the Fourth Proportional to 13,537.87, 20,310.33 and 5,637.89

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Solution

The fourth proportional to 13,537.87, 20,310.33 and 5,637.89 is: 8,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.87 : 20,310.33 = 5,637.89 : x
  2. Step 2: Convert to fraction form
    13,537.87/20,310.33 = 5,637.89/x
  3. Step 3: Cross multiply
    13,537.87x = 20,310.33 × 5,637.89
  4. Step 4: Simplify right side
    13,537.87x = 114,507,406.40
  5. Step 5: Solve for x
    x = 114,507,406.40/13,537.87
  6. Step 6: Final answer
    x = 8,458.30

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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.