Home / 11,481-17,222.52-4,905.66

Finding the Fourth Proportional to 11,481, 17,222.52 and 4,905.66

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Solution

The fourth proportional to 11,481, 17,222.52 and 4,905.66 is: 7,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481 : 17,222.52 = 4,905.66 : x
  2. Step 2: Convert to fraction form
    11,481/17,222.52 = 4,905.66/x
  3. Step 3: Cross multiply
    11,481x = 17,222.52 × 4,905.66
  4. Step 4: Simplify right side
    11,481x = 84,487,827.46
  5. Step 5: Solve for x
    x = 84,487,827.46/11,481
  6. Step 6: Final answer
    x = 7,358.93

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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.