Home / 20,086.62-30,090.72-9,541.64

Finding the Fourth Proportional to 20,086.62, 30,090.72 and 9,541.64

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Solution

The fourth proportional to 20,086.62, 30,090.72 and 9,541.64 is: 14,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086.62 : 30,090.72 = 9,541.64 : x
  2. Step 2: Convert to fraction form
    20,086.62/30,090.72 = 9,541.64/x
  3. Step 3: Cross multiply
    20,086.62x = 30,090.72 × 9,541.64
  4. Step 4: Simplify right side
    20,086.62x = 287,114,667.13
  5. Step 5: Solve for x
    x = 287,114,667.13/20,086.62
  6. Step 6: Final answer
    x = 14,293.83

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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.