Home / 21,934.28-30,270.02-12,373.98

Finding the Fourth Proportional to 21,934.28, 30,270.02 and 12,373.98

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Solution

The fourth proportional to 21,934.28, 30,270.02 and 12,373.98 is: 17,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.28 : 30,270.02 = 12,373.98 : x
  2. Step 2: Convert to fraction form
    21,934.28/30,270.02 = 12,373.98/x
  3. Step 3: Cross multiply
    21,934.28x = 30,270.02 × 12,373.98
  4. Step 4: Simplify right side
    21,934.28x = 374,560,560.21
  5. Step 5: Solve for x
    x = 374,560,560.21/21,934.28
  6. Step 6: Final answer
    x = 17,076.50

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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.