Home / 20,227.76-30,345.11-6,187.45

Finding the Fourth Proportional to 20,227.76, 30,345.11 and 6,187.45

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Solution

The fourth proportional to 20,227.76, 30,345.11 and 6,187.45 is: 9,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.76 : 30,345.11 = 6,187.45 : x
  2. Step 2: Convert to fraction form
    20,227.76/30,345.11 = 6,187.45/x
  3. Step 3: Cross multiply
    20,227.76x = 30,345.11 × 6,187.45
  4. Step 4: Simplify right side
    20,227.76x = 187,758,683.68
  5. Step 5: Solve for x
    x = 187,758,683.68/20,227.76
  6. Step 6: Final answer
    x = 9,282.23

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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.