Home / 20,228.69-30,346.28-5,998.61

Finding the Fourth Proportional to 20,228.69, 30,346.28 and 5,998.61

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Solution

The fourth proportional to 20,228.69, 30,346.28 and 5,998.61 is: 8,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.69 : 30,346.28 = 5,998.61 : x
  2. Step 2: Convert to fraction form
    20,228.69/30,346.28 = 5,998.61/x
  3. Step 3: Cross multiply
    20,228.69x = 30,346.28 × 5,998.61
  4. Step 4: Simplify right side
    20,228.69x = 182,035,498.67
  5. Step 5: Solve for x
    x = 182,035,498.67/20,228.69
  6. Step 6: Final answer
    x = 8,998.88

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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.