Home / 21,757.34-30,024.88-12,197.18

Finding the Fourth Proportional to 21,757.34, 30,024.88 and 12,197.18

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Solution

The fourth proportional to 21,757.34, 30,024.88 and 12,197.18 is: 16,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.34 : 30,024.88 = 12,197.18 : x
  2. Step 2: Convert to fraction form
    21,757.34/30,024.88 = 12,197.18/x
  3. Step 3: Cross multiply
    21,757.34x = 30,024.88 × 12,197.18
  4. Step 4: Simplify right side
    21,757.34x = 366,218,910.41
  5. Step 5: Solve for x
    x = 366,218,910.41/21,757.34
  6. Step 6: Final answer
    x = 16,831.97

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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.