Home / 11,181.08-15,429.30-6,145.94

Finding the Fourth Proportional to 11,181.08, 15,429.30 and 6,145.94

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Solution

The fourth proportional to 11,181.08, 15,429.30 and 6,145.94 is: 8,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.08 : 15,429.30 = 6,145.94 : x
  2. Step 2: Convert to fraction form
    11,181.08/15,429.30 = 6,145.94/x
  3. Step 3: Cross multiply
    11,181.08x = 15,429.30 × 6,145.94
  4. Step 4: Simplify right side
    11,181.08x = 94,827,552.04
  5. Step 5: Solve for x
    x = 94,827,552.04/11,181.08
  6. Step 6: Final answer
    x = 8,481.07

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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.