Home / 13,887.48-20,831.22-3,500.04

Finding the Fourth Proportional to 13,887.48, 20,831.22 and 3,500.04

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Solution

The fourth proportional to 13,887.48, 20,831.22 and 3,500.04 is: 5,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.48 : 20,831.22 = 3,500.04 : x
  2. Step 2: Convert to fraction form
    13,887.48/20,831.22 = 3,500.04/x
  3. Step 3: Cross multiply
    13,887.48x = 20,831.22 × 3,500.04
  4. Step 4: Simplify right side
    13,887.48x = 72,910,103.25
  5. Step 5: Solve for x
    x = 72,910,103.25/13,887.48
  6. Step 6: Final answer
    x = 5,250.06

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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.