Home / 11,080.40-15,293.04-6,367.76

Finding the Fourth Proportional to 11,080.40, 15,293.04 and 6,367.76

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Solution

The fourth proportional to 11,080.40, 15,293.04 and 6,367.76 is: 8,788.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.40 : 15,293.04 = 6,367.76 : x
  2. Step 2: Convert to fraction form
    11,080.40/15,293.04 = 6,367.76/x
  3. Step 3: Cross multiply
    11,080.40x = 15,293.04 × 6,367.76
  4. Step 4: Simplify right side
    11,080.40x = 97,382,408.39
  5. Step 5: Solve for x
    x = 97,382,408.39/11,080.40
  6. Step 6: Final answer
    x = 8,788.71

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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.