Home / 19,831.62-27,368.46-11,872.29

Finding the Fourth Proportional to 19,831.62, 27,368.46 and 11,872.29

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Solution

The fourth proportional to 19,831.62, 27,368.46 and 11,872.29 is: 16,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.62 : 27,368.46 = 11,872.29 : x
  2. Step 2: Convert to fraction form
    19,831.62/27,368.46 = 11,872.29/x
  3. Step 3: Cross multiply
    19,831.62x = 27,368.46 × 11,872.29
  4. Step 4: Simplify right side
    19,831.62x = 324,926,293.97
  5. Step 5: Solve for x
    x = 324,926,293.97/19,831.62
  6. Step 6: Final answer
    x = 16,384.25

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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.