Home / 20,254.92-30,386.94-6,216.21

Finding the Fourth Proportional to 20,254.92, 30,386.94 and 6,216.21

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Solution

The fourth proportional to 20,254.92, 30,386.94 and 6,216.21 is: 9,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.92 : 30,386.94 = 6,216.21 : x
  2. Step 2: Convert to fraction form
    20,254.92/30,386.94 = 6,216.21/x
  3. Step 3: Cross multiply
    20,254.92x = 30,386.94 × 6,216.21
  4. Step 4: Simplify right side
    20,254.92x = 188,891,600.30
  5. Step 5: Solve for x
    x = 188,891,600.30/20,254.92
  6. Step 6: Final answer
    x = 9,325.71

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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.