Home / 20,563.71-30,848.30-5,772.76

Finding the Fourth Proportional to 20,563.71, 30,848.30 and 5,772.76

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Solution

The fourth proportional to 20,563.71, 30,848.30 and 5,772.76 is: 8,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.71 : 30,848.30 = 5,772.76 : x
  2. Step 2: Convert to fraction form
    20,563.71/30,848.30 = 5,772.76/x
  3. Step 3: Cross multiply
    20,563.71x = 30,848.30 × 5,772.76
  4. Step 4: Simplify right side
    20,563.71x = 178,079,747.97
  5. Step 5: Solve for x
    x = 178,079,747.97/20,563.71
  6. Step 6: Final answer
    x = 8,659.91

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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.