Home / 21,262.92-29,339.38-11,831.24

Finding the Fourth Proportional to 21,262.92, 29,339.38 and 11,831.24

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Solution

The fourth proportional to 21,262.92, 29,339.38 and 11,831.24 is: 16,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,262.92 : 29,339.38 = 11,831.24 : x
  2. Step 2: Convert to fraction form
    21,262.92/29,339.38 = 11,831.24/x
  3. Step 3: Cross multiply
    21,262.92x = 29,339.38 × 11,831.24
  4. Step 4: Simplify right side
    21,262.92x = 347,121,246.23
  5. Step 5: Solve for x
    x = 347,121,246.23/21,262.92
  6. Step 6: Final answer
    x = 16,325.19

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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.