Home / 11,137.22-15,367.02-6,660.26

Finding the Fourth Proportional to 11,137.22, 15,367.02 and 6,660.26

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Solution

The fourth proportional to 11,137.22, 15,367.02 and 6,660.26 is: 9,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.22 : 15,367.02 = 6,660.26 : x
  2. Step 2: Convert to fraction form
    11,137.22/15,367.02 = 6,660.26/x
  3. Step 3: Cross multiply
    11,137.22x = 15,367.02 × 6,660.26
  4. Step 4: Simplify right side
    11,137.22x = 102,348,348.63
  5. Step 5: Solve for x
    x = 102,348,348.63/11,137.22
  6. Step 6: Final answer
    x = 9,189.76

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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.