Home / 21,512.13-32,263.33-8,180.37

Finding the Fourth Proportional to 21,512.13, 32,263.33 and 8,180.37

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Solution

The fourth proportional to 21,512.13, 32,263.33 and 8,180.37 is: 12,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.13 : 32,263.33 = 8,180.37 : x
  2. Step 2: Convert to fraction form
    21,512.13/32,263.33 = 8,180.37/x
  3. Step 3: Cross multiply
    21,512.13x = 32,263.33 × 8,180.37
  4. Step 4: Simplify right side
    21,512.13x = 263,925,976.83
  5. Step 5: Solve for x
    x = 263,925,976.83/21,512.13
  6. Step 6: Final answer
    x = 12,268.70

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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.