Home / 9,369.14-12,923.46-7,126.09

Finding the Fourth Proportional to 9,369.14, 12,923.46 and 7,126.09

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Solution

The fourth proportional to 9,369.14, 12,923.46 and 7,126.09 is: 9,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.14 : 12,923.46 = 7,126.09 : x
  2. Step 2: Convert to fraction form
    9,369.14/12,923.46 = 7,126.09/x
  3. Step 3: Cross multiply
    9,369.14x = 12,923.46 × 7,126.09
  4. Step 4: Simplify right side
    9,369.14x = 92,093,789.48
  5. Step 5: Solve for x
    x = 92,093,789.48/9,369.14
  6. Step 6: Final answer
    x = 9,829.49

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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.