Home / 13,500.54-20,248.44-3,637.62

Finding the Fourth Proportional to 13,500.54, 20,248.44 and 3,637.62

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Solution

The fourth proportional to 13,500.54, 20,248.44 and 3,637.62 is: 5,455.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.54 : 20,248.44 = 3,637.62 : x
  2. Step 2: Convert to fraction form
    13,500.54/20,248.44 = 3,637.62/x
  3. Step 3: Cross multiply
    13,500.54x = 20,248.44 × 3,637.62
  4. Step 4: Simplify right side
    13,500.54x = 73,656,130.31
  5. Step 5: Solve for x
    x = 73,656,130.31/13,500.54
  6. Step 6: Final answer
    x = 5,455.79

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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.