Home / 12,080.88-16,672.24-6,775.40

Finding the Fourth Proportional to 12,080.88, 16,672.24 and 6,775.40

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Solution

The fourth proportional to 12,080.88, 16,672.24 and 6,775.40 is: 9,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080.88 : 16,672.24 = 6,775.40 : x
  2. Step 2: Convert to fraction form
    12,080.88/16,672.24 = 6,775.40/x
  3. Step 3: Cross multiply
    12,080.88x = 16,672.24 × 6,775.40
  4. Step 4: Simplify right side
    12,080.88x = 112,961,094.90
  5. Step 5: Solve for x
    x = 112,961,094.90/12,080.88
  6. Step 6: Final answer
    x = 9,350.40

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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.