Home / 13,831.56-20,734.92-5,507.28

Finding the Fourth Proportional to 13,831.56, 20,734.92 and 5,507.28

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Solution

The fourth proportional to 13,831.56, 20,734.92 and 5,507.28 is: 8,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.56 : 20,734.92 = 5,507.28 : x
  2. Step 2: Convert to fraction form
    13,831.56/20,734.92 = 5,507.28/x
  3. Step 3: Cross multiply
    13,831.56x = 20,734.92 × 5,507.28
  4. Step 4: Simplify right side
    13,831.56x = 114,193,010.22
  5. Step 5: Solve for x
    x = 114,193,010.22/13,831.56
  6. Step 6: Final answer
    x = 8,255.97

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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.