Home / 21,716.44-29,963.46-12,763.24

Finding the Fourth Proportional to 21,716.44, 29,963.46 and 12,763.24

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Solution

The fourth proportional to 21,716.44, 29,963.46 and 12,763.24 is: 17,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.44 : 29,963.46 = 12,763.24 : x
  2. Step 2: Convert to fraction form
    21,716.44/29,963.46 = 12,763.24/x
  3. Step 3: Cross multiply
    21,716.44x = 29,963.46 × 12,763.24
  4. Step 4: Simplify right side
    21,716.44x = 382,430,831.21
  5. Step 5: Solve for x
    x = 382,430,831.21/21,716.44
  6. Step 6: Final answer
    x = 17,610.20

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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.