Home / 20,096.94-30,142.81-5,306.97

Finding the Fourth Proportional to 20,096.94, 30,142.81 and 5,306.97

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Solution

The fourth proportional to 20,096.94, 30,142.81 and 5,306.97 is: 7,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.94 : 30,142.81 = 5,306.97 : x
  2. Step 2: Convert to fraction form
    20,096.94/30,142.81 = 5,306.97/x
  3. Step 3: Cross multiply
    20,096.94x = 30,142.81 × 5,306.97
  4. Step 4: Simplify right side
    20,096.94x = 159,966,988.39
  5. Step 5: Solve for x
    x = 159,966,988.39/20,096.94
  6. Step 6: Final answer
    x = 7,959.77

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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.