Home / 19,831.26-29,744.70-8,144.48

Finding the Fourth Proportional to 19,831.26, 29,744.70 and 8,144.48

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Solution

The fourth proportional to 19,831.26, 29,744.70 and 8,144.48 is: 12,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.26 : 29,744.70 = 8,144.48 : x
  2. Step 2: Convert to fraction form
    19,831.26/29,744.70 = 8,144.48/x
  3. Step 3: Cross multiply
    19,831.26x = 29,744.70 × 8,144.48
  4. Step 4: Simplify right side
    19,831.26x = 242,255,114.26
  5. Step 5: Solve for x
    x = 242,255,114.26/19,831.26
  6. Step 6: Final answer
    x = 12,215.82

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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.