Home / 11,433.48-17,146.96-5,190

Finding the Fourth Proportional to 11,433.48, 17,146.96 and 5,190

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Solution

The fourth proportional to 11,433.48, 17,146.96 and 5,190 is: 7,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.48 : 17,146.96 = 5,190 : x
  2. Step 2: Convert to fraction form
    11,433.48/17,146.96 = 5,190/x
  3. Step 3: Cross multiply
    11,433.48x = 17,146.96 × 5,190
  4. Step 4: Simplify right side
    11,433.48x = 88,992,722.40
  5. Step 5: Solve for x
    x = 88,992,722.40/11,433.48
  6. Step 6: Final answer
    x = 7,783.52

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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.