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Finding the Fourth Proportional to 9,381.32, 14,039 and 7,413

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Solution

The fourth proportional to 9,381.32, 14,039 and 7,413 is: 11,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.32 : 14,039 = 7,413 : x
  2. Step 2: Convert to fraction form
    9,381.32/14,039 = 7,413/x
  3. Step 3: Cross multiply
    9,381.32x = 14,039 × 7,413
  4. Step 4: Simplify right side
    9,381.32x = 104,071,107
  5. Step 5: Solve for x
    x = 104,071,107/9,381.32
  6. Step 6: Final answer
    x = 11,093.44

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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.