Home / 11,831.70-17,747.55-10,072.65

Finding the Fourth Proportional to 11,831.70, 17,747.55 and 10,072.65

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Solution

The fourth proportional to 11,831.70, 17,747.55 and 10,072.65 is: 15,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.70 : 17,747.55 = 10,072.65 : x
  2. Step 2: Convert to fraction form
    11,831.70/17,747.55 = 10,072.65/x
  3. Step 3: Cross multiply
    11,831.70x = 17,747.55 × 10,072.65
  4. Step 4: Simplify right side
    11,831.70x = 178,764,859.51
  5. Step 5: Solve for x
    x = 178,764,859.51/11,831.70
  6. Step 6: Final answer
    x = 15,108.98

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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.