Home / 20,299.51-30,441.42-8,124.13

Finding the Fourth Proportional to 20,299.51, 30,441.42 and 8,124.13

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Solution

The fourth proportional to 20,299.51, 30,441.42 and 8,124.13 is: 12,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,299.51 : 30,441.42 = 8,124.13 : x
  2. Step 2: Convert to fraction form
    20,299.51/30,441.42 = 8,124.13/x
  3. Step 3: Cross multiply
    20,299.51x = 30,441.42 × 8,124.13
  4. Step 4: Simplify right side
    20,299.51x = 247,310,053.46
  5. Step 5: Solve for x
    x = 247,310,053.46/20,299.51
  6. Step 6: Final answer
    x = 12,183.06

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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.