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Finding the Fourth Proportional to 11,173.59, 15,416.60 and 7,199.87

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Solution

The fourth proportional to 11,173.59, 15,416.60 and 7,199.87 is: 9,933.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.59 : 15,416.60 = 7,199.87 : x
  2. Step 2: Convert to fraction form
    11,173.59/15,416.60 = 7,199.87/x
  3. Step 3: Cross multiply
    11,173.59x = 15,416.60 × 7,199.87
  4. Step 4: Simplify right side
    11,173.59x = 110,997,402.76
  5. Step 5: Solve for x
    x = 110,997,402.76/11,173.59
  6. Step 6: Final answer
    x = 9,933.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.