Home / 11,290.82-15,579.77-6,253.79

Finding the Fourth Proportional to 11,290.82, 15,579.77 and 6,253.79

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Solution

The fourth proportional to 11,290.82, 15,579.77 and 6,253.79 is: 8,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.82 : 15,579.77 = 6,253.79 : x
  2. Step 2: Convert to fraction form
    11,290.82/15,579.77 = 6,253.79/x
  3. Step 3: Cross multiply
    11,290.82x = 15,579.77 × 6,253.79
  4. Step 4: Simplify right side
    11,290.82x = 97,432,500.66
  5. Step 5: Solve for x
    x = 97,432,500.66/11,290.82
  6. Step 6: Final answer
    x = 8,629.36

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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.