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Finding the Fourth Proportional to 9,288.15, 13,916.01 and 7,738.11

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Solution

The fourth proportional to 9,288.15, 13,916.01 and 7,738.11 is: 11,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.15 : 13,916.01 = 7,738.11 : x
  2. Step 2: Convert to fraction form
    9,288.15/13,916.01 = 7,738.11/x
  3. Step 3: Cross multiply
    9,288.15x = 13,916.01 × 7,738.11
  4. Step 4: Simplify right side
    9,288.15x = 107,683,616.14
  5. Step 5: Solve for x
    x = 107,683,616.14/9,288.15
  6. Step 6: Final answer
    x = 11,593.66

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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.