Home / 11,869.45-17,805.54-5,294.81

Finding the Fourth Proportional to 11,869.45, 17,805.54 and 5,294.81

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Solution

The fourth proportional to 11,869.45, 17,805.54 and 5,294.81 is: 7,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.45 : 17,805.54 = 5,294.81 : x
  2. Step 2: Convert to fraction form
    11,869.45/17,805.54 = 5,294.81/x
  3. Step 3: Cross multiply
    11,869.45x = 17,805.54 × 5,294.81
  4. Step 4: Simplify right side
    11,869.45x = 94,276,951.25
  5. Step 5: Solve for x
    x = 94,276,951.25/11,869.45
  6. Step 6: Final answer
    x = 7,942.82

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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.