Home / 11,691.02-17,539.16-3,899.63

Finding the Fourth Proportional to 11,691.02, 17,539.16 and 3,899.63

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Solution

The fourth proportional to 11,691.02, 17,539.16 and 3,899.63 is: 5,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.02 : 17,539.16 = 3,899.63 : x
  2. Step 2: Convert to fraction form
    11,691.02/17,539.16 = 3,899.63/x
  3. Step 3: Cross multiply
    11,691.02x = 17,539.16 × 3,899.63
  4. Step 4: Simplify right side
    11,691.02x = 68,396,127.32
  5. Step 5: Solve for x
    x = 68,396,127.32/11,691.02
  6. Step 6: Final answer
    x = 5,850.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.