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Finding the Fourth Proportional to 9,856, 14,788.06 and 7,236.88

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Solution

The fourth proportional to 9,856, 14,788.06 and 7,236.88 is: 10,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,856 : 14,788.06 = 7,236.88 : x
  2. Step 2: Convert to fraction form
    9,856/14,788.06 = 7,236.88/x
  3. Step 3: Cross multiply
    9,856x = 14,788.06 × 7,236.88
  4. Step 4: Simplify right side
    9,856x = 107,019,415.65
  5. Step 5: Solve for x
    x = 107,019,415.65/9,856
  6. Step 6: Final answer
    x = 10,858.30

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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.