Home / 20,214.38-30,327.68-10,360.64

Finding the Fourth Proportional to 20,214.38, 30,327.68 and 10,360.64

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Solution

The fourth proportional to 20,214.38, 30,327.68 and 10,360.64 is: 15,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.38 : 30,327.68 = 10,360.64 : x
  2. Step 2: Convert to fraction form
    20,214.38/30,327.68 = 10,360.64/x
  3. Step 3: Cross multiply
    20,214.38x = 30,327.68 × 10,360.64
  4. Step 4: Simplify right side
    20,214.38x = 314,214,048.78
  5. Step 5: Solve for x
    x = 314,214,048.78/20,214.38
  6. Step 6: Final answer
    x = 15,544.09

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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.