Home / 21,763.64-30,033.77-12,332.21

Finding the Fourth Proportional to 21,763.64, 30,033.77 and 12,332.21

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Solution

The fourth proportional to 21,763.64, 30,033.77 and 12,332.21 is: 17,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.64 : 30,033.77 = 12,332.21 : x
  2. Step 2: Convert to fraction form
    21,763.64/30,033.77 = 12,332.21/x
  3. Step 3: Cross multiply
    21,763.64x = 30,033.77 × 12,332.21
  4. Step 4: Simplify right side
    21,763.64x = 370,382,546.90
  5. Step 5: Solve for x
    x = 370,382,546.90/21,763.64
  6. Step 6: Final answer
    x = 17,018.41

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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.