Home / 20,606.61-30,912.17-6,563.34

Finding the Fourth Proportional to 20,606.61, 30,912.17 and 6,563.34

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Solution

The fourth proportional to 20,606.61, 30,912.17 and 6,563.34 is: 9,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606.61 : 30,912.17 = 6,563.34 : x
  2. Step 2: Convert to fraction form
    20,606.61/30,912.17 = 6,563.34/x
  3. Step 3: Cross multiply
    20,606.61x = 30,912.17 × 6,563.34
  4. Step 4: Simplify right side
    20,606.61x = 202,887,049.03
  5. Step 5: Solve for x
    x = 202,887,049.03/20,606.61
  6. Step 6: Final answer
    x = 9,845.72

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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.