Home / 20,359.12-30,550.04-10,998.96

Finding the Fourth Proportional to 20,359.12, 30,550.04 and 10,998.96

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Solution

The fourth proportional to 20,359.12, 30,550.04 and 10,998.96 is: 16,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.12 : 30,550.04 = 10,998.96 : x
  2. Step 2: Convert to fraction form
    20,359.12/30,550.04 = 10,998.96/x
  3. Step 3: Cross multiply
    20,359.12x = 30,550.04 × 10,998.96
  4. Step 4: Simplify right side
    20,359.12x = 336,018,667.96
  5. Step 5: Solve for x
    x = 336,018,667.96/20,359.12
  6. Step 6: Final answer
    x = 16,504.58

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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.