Home / 20,626.27-30,945.54-6,587.20

Finding the Fourth Proportional to 20,626.27, 30,945.54 and 6,587.20

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Solution

The fourth proportional to 20,626.27, 30,945.54 and 6,587.20 is: 9,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.27 : 30,945.54 = 6,587.20 : x
  2. Step 2: Convert to fraction form
    20,626.27/30,945.54 = 6,587.20/x
  3. Step 3: Cross multiply
    20,626.27x = 30,945.54 × 6,587.20
  4. Step 4: Simplify right side
    20,626.27x = 203,844,461.09
  5. Step 5: Solve for x
    x = 203,844,461.09/20,626.27
  6. Step 6: Final answer
    x = 9,882.76

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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.