Home / 20,166.06-27,831.75-12,208.41

Finding the Fourth Proportional to 20,166.06, 27,831.75 and 12,208.41

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Solution

The fourth proportional to 20,166.06, 27,831.75 and 12,208.41 is: 16,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.06 : 27,831.75 = 12,208.41 : x
  2. Step 2: Convert to fraction form
    20,166.06/27,831.75 = 12,208.41/x
  3. Step 3: Cross multiply
    20,166.06x = 27,831.75 × 12,208.41
  4. Step 4: Simplify right side
    20,166.06x = 339,781,415.02
  5. Step 5: Solve for x
    x = 339,781,415.02/20,166.06
  6. Step 6: Final answer
    x = 16,849.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.