Home / 20,210.92-30,318.16-6,174.12

Finding the Fourth Proportional to 20,210.92, 30,318.16 and 6,174.12

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Solution

The fourth proportional to 20,210.92, 30,318.16 and 6,174.12 is: 9,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.92 : 30,318.16 = 6,174.12 : x
  2. Step 2: Convert to fraction form
    20,210.92/30,318.16 = 6,174.12/x
  3. Step 3: Cross multiply
    20,210.92x = 30,318.16 × 6,174.12
  4. Step 4: Simplify right side
    20,210.92x = 187,187,958.02
  5. Step 5: Solve for x
    x = 187,187,958.02/20,210.92
  6. Step 6: Final answer
    x = 9,261.72

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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.