Home / 16,282.76-22,445.71-12,739.82

Finding the Fourth Proportional to 16,282.76, 22,445.71 and 12,739.82

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Solution

The fourth proportional to 16,282.76, 22,445.71 and 12,739.82 is: 17,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,282.76 : 22,445.71 = 12,739.82 : x
  2. Step 2: Convert to fraction form
    16,282.76/22,445.71 = 12,739.82/x
  3. Step 3: Cross multiply
    16,282.76x = 22,445.71 × 12,739.82
  4. Step 4: Simplify right side
    16,282.76x = 285,954,161.09
  5. Step 5: Solve for x
    x = 285,954,161.09/16,282.76
  6. Step 6: Final answer
    x = 17,561.78

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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.