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Finding the Fourth Proportional to 11,305.56, 15,601.26 and 6,270

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Solution

The fourth proportional to 11,305.56, 15,601.26 and 6,270 is: 8,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.56 : 15,601.26 = 6,270 : x
  2. Step 2: Convert to fraction form
    11,305.56/15,601.26 = 6,270/x
  3. Step 3: Cross multiply
    11,305.56x = 15,601.26 × 6,270
  4. Step 4: Simplify right side
    11,305.56x = 97,819,900.20
  5. Step 5: Solve for x
    x = 97,819,900.20/11,305.56
  6. Step 6: Final answer
    x = 8,652.37

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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.