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Finding the Fourth Proportional to 10,168.88, 15,237.72 and 6,459.75

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Solution

The fourth proportional to 10,168.88, 15,237.72 and 6,459.75 is: 9,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.88 : 15,237.72 = 6,459.75 : x
  2. Step 2: Convert to fraction form
    10,168.88/15,237.72 = 6,459.75/x
  3. Step 3: Cross multiply
    10,168.88x = 15,237.72 × 6,459.75
  4. Step 4: Simplify right side
    10,168.88x = 98,431,861.77
  5. Step 5: Solve for x
    x = 98,431,861.77/10,168.88
  6. Step 6: Final answer
    x = 9,679.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.