Home / 11,254.82-15,530.31-6,218.75

Finding the Fourth Proportional to 11,254.82, 15,530.31 and 6,218.75

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Solution

The fourth proportional to 11,254.82, 15,530.31 and 6,218.75 is: 8,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.82 : 15,530.31 = 6,218.75 : x
  2. Step 2: Convert to fraction form
    11,254.82/15,530.31 = 6,218.75/x
  3. Step 3: Cross multiply
    11,254.82x = 15,530.31 × 6,218.75
  4. Step 4: Simplify right side
    11,254.82x = 96,579,115.31
  5. Step 5: Solve for x
    x = 96,579,115.31/11,254.82
  6. Step 6: Final answer
    x = 8,581.13

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Double scale
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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.