Home / 20,174.64-30,197.23-10,791.19

Finding the Fourth Proportional to 20,174.64, 30,197.23 and 10,791.19

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Solution

The fourth proportional to 20,174.64, 30,197.23 and 10,791.19 is: 16,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.64 : 30,197.23 = 10,791.19 : x
  2. Step 2: Convert to fraction form
    20,174.64/30,197.23 = 10,791.19/x
  3. Step 3: Cross multiply
    20,174.64x = 30,197.23 × 10,791.19
  4. Step 4: Simplify right side
    20,174.64x = 325,864,046.40
  5. Step 5: Solve for x
    x = 325,864,046.40/20,174.64
  6. Step 6: Final answer
    x = 16,152.16

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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.