Home / 13,391.48-20,083.26-5,065.32

Finding the Fourth Proportional to 13,391.48, 20,083.26 and 5,065.32

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Solution

The fourth proportional to 13,391.48, 20,083.26 and 5,065.32 is: 7,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.48 : 20,083.26 = 5,065.32 : x
  2. Step 2: Convert to fraction form
    13,391.48/20,083.26 = 5,065.32/x
  3. Step 3: Cross multiply
    13,391.48x = 20,083.26 × 5,065.32
  4. Step 4: Simplify right side
    13,391.48x = 101,728,138.54
  5. Step 5: Solve for x
    x = 101,728,138.54/13,391.48
  6. Step 6: Final answer
    x = 7,596.48

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1.5x scale

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.