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Finding the Fourth Proportional to 11,058.50, 15,260.73 and 6,090.50

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Solution

The fourth proportional to 11,058.50, 15,260.73 and 6,090.50 is: 8,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.50 : 15,260.73 = 6,090.50 : x
  2. Step 2: Convert to fraction form
    11,058.50/15,260.73 = 6,090.50/x
  3. Step 3: Cross multiply
    11,058.50x = 15,260.73 × 6,090.50
  4. Step 4: Simplify right side
    11,058.50x = 92,945,476.07
  5. Step 5: Solve for x
    x = 92,945,476.07/11,058.50
  6. Step 6: Final answer
    x = 8,404.89

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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.