Home / 11,181.58-15,430.26-6,145.81

Finding the Fourth Proportional to 11,181.58, 15,430.26 and 6,145.81

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Solution

The fourth proportional to 11,181.58, 15,430.26 and 6,145.81 is: 8,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.58 : 15,430.26 = 6,145.81 : x
  2. Step 2: Convert to fraction form
    11,181.58/15,430.26 = 6,145.81/x
  3. Step 3: Cross multiply
    11,181.58x = 15,430.26 × 6,145.81
  4. Step 4: Simplify right side
    11,181.58x = 94,831,430.68
  5. Step 5: Solve for x
    x = 94,831,430.68/11,181.58
  6. Step 6: Final answer
    x = 8,481.04

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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.