Home / 21,761.83-30,032.99-12,202.59

Finding the Fourth Proportional to 21,761.83, 30,032.99 and 12,202.59

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Solution

The fourth proportional to 21,761.83, 30,032.99 and 12,202.59 is: 16,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.83 : 30,032.99 = 12,202.59 : x
  2. Step 2: Convert to fraction form
    21,761.83/30,032.99 = 12,202.59/x
  3. Step 3: Cross multiply
    21,761.83x = 30,032.99 × 12,202.59
  4. Step 4: Simplify right side
    21,761.83x = 366,480,263.44
  5. Step 5: Solve for x
    x = 366,480,263.44/21,761.83
  6. Step 6: Final answer
    x = 16,840.51

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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.