Home / 20,244.57-30,375.63-10,873.65

Finding the Fourth Proportional to 20,244.57, 30,375.63 and 10,873.65

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Solution

The fourth proportional to 20,244.57, 30,375.63 and 10,873.65 is: 16,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.57 : 30,375.63 = 10,873.65 : x
  2. Step 2: Convert to fraction form
    20,244.57/30,375.63 = 10,873.65/x
  3. Step 3: Cross multiply
    20,244.57x = 30,375.63 × 10,873.65
  4. Step 4: Simplify right side
    20,244.57x = 330,293,969.15
  5. Step 5: Solve for x
    x = 330,293,969.15/20,244.57
  6. Step 6: Final answer
    x = 16,315.19

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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.