Home / 13,448.31-20,173.49-3,587.37

Finding the Fourth Proportional to 13,448.31, 20,173.49 and 3,587.37

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Solution

The fourth proportional to 13,448.31, 20,173.49 and 3,587.37 is: 5,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.31 : 20,173.49 = 3,587.37 : x
  2. Step 2: Convert to fraction form
    13,448.31/20,173.49 = 3,587.37/x
  3. Step 3: Cross multiply
    13,448.31x = 20,173.49 × 3,587.37
  4. Step 4: Simplify right side
    13,448.31x = 72,369,754.88
  5. Step 5: Solve for x
    x = 72,369,754.88/13,448.31
  6. Step 6: Final answer
    x = 5,381.33

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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.