Home / 13,575.33-20,350.37-5,260.77

Finding the Fourth Proportional to 13,575.33, 20,350.37 and 5,260.77

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Solution

The fourth proportional to 13,575.33, 20,350.37 and 5,260.77 is: 7,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.33 : 20,350.37 = 5,260.77 : x
  2. Step 2: Convert to fraction form
    13,575.33/20,350.37 = 5,260.77/x
  3. Step 3: Cross multiply
    13,575.33x = 20,350.37 × 5,260.77
  4. Step 4: Simplify right side
    13,575.33x = 107,058,629.14
  5. Step 5: Solve for x
    x = 107,058,629.14/13,575.33
  6. Step 6: Final answer
    x = 7,886.26

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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.