Home / 9,174.61-12,660.87-5,194.81

Finding the Fourth Proportional to 9,174.61, 12,660.87 and 5,194.81

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Solution

The fourth proportional to 9,174.61, 12,660.87 and 5,194.81 is: 7,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.61 : 12,660.87 = 5,194.81 : x
  2. Step 2: Convert to fraction form
    9,174.61/12,660.87 = 5,194.81/x
  3. Step 3: Cross multiply
    9,174.61x = 12,660.87 × 5,194.81
  4. Step 4: Simplify right side
    9,174.61x = 65,770,814.08
  5. Step 5: Solve for x
    x = 65,770,814.08/9,174.61
  6. Step 6: Final answer
    x = 7,168.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.