Home / 11,166.54-16,749.81-6,228.78

Finding the Fourth Proportional to 11,166.54, 16,749.81 and 6,228.78

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Solution

The fourth proportional to 11,166.54, 16,749.81 and 6,228.78 is: 9,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.54 : 16,749.81 = 6,228.78 : x
  2. Step 2: Convert to fraction form
    11,166.54/16,749.81 = 6,228.78/x
  3. Step 3: Cross multiply
    11,166.54x = 16,749.81 × 6,228.78
  4. Step 4: Simplify right side
    11,166.54x = 104,330,881.53
  5. Step 5: Solve for x
    x = 104,330,881.53/11,166.54
  6. Step 6: Final answer
    x = 9,343.17

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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.