Home / 18,564.13-27,831.75-12,625.48

Finding the Fourth Proportional to 18,564.13, 27,831.75 and 12,625.48

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Solution

The fourth proportional to 18,564.13, 27,831.75 and 12,625.48 is: 18,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.13 : 27,831.75 = 12,625.48 : x
  2. Step 2: Convert to fraction form
    18,564.13/27,831.75 = 12,625.48/x
  3. Step 3: Cross multiply
    18,564.13x = 27,831.75 × 12,625.48
  4. Step 4: Simplify right side
    18,564.13x = 351,389,202.99
  5. Step 5: Solve for x
    x = 351,389,202.99/18,564.13
  6. Step 6: Final answer
    x = 18,928.40

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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.