Home / 13,887.73-20,831.50-5,567.63

Finding the Fourth Proportional to 13,887.73, 20,831.50 and 5,567.63

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Solution

The fourth proportional to 13,887.73, 20,831.50 and 5,567.63 is: 8,351.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.73 : 20,831.50 = 5,567.63 : x
  2. Step 2: Convert to fraction form
    13,887.73/20,831.50 = 5,567.63/x
  3. Step 3: Cross multiply
    13,887.73x = 20,831.50 × 5,567.63
  4. Step 4: Simplify right side
    13,887.73x = 115,982,084.35
  5. Step 5: Solve for x
    x = 115,982,084.35/13,887.73
  6. Step 6: Final answer
    x = 8,351.41

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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.