Home / 16,080.74-22,180.34-11,310.80

Finding the Fourth Proportional to 16,080.74, 22,180.34 and 11,310.80

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Solution

The fourth proportional to 16,080.74, 22,180.34 and 11,310.80 is: 15,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,080.74 : 22,180.34 = 11,310.80 : x
  2. Step 2: Convert to fraction form
    16,080.74/22,180.34 = 11,310.80/x
  3. Step 3: Cross multiply
    16,080.74x = 22,180.34 × 11,310.80
  4. Step 4: Simplify right side
    16,080.74x = 250,877,222.22
  5. Step 5: Solve for x
    x = 250,877,222.22/16,080.74
  6. Step 6: Final answer
    x = 15,601.10

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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.