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Finding the Fourth Proportional to 13,699.96, 20,549.94 and 5,803.72

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Solution

The fourth proportional to 13,699.96, 20,549.94 and 5,803.72 is: 8,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.96 : 20,549.94 = 5,803.72 : x
  2. Step 2: Convert to fraction form
    13,699.96/20,549.94 = 5,803.72/x
  3. Step 3: Cross multiply
    13,699.96x = 20,549.94 × 5,803.72
  4. Step 4: Simplify right side
    13,699.96x = 119,266,097.78
  5. Step 5: Solve for x
    x = 119,266,097.78/13,699.96
  6. Step 6: Final answer
    x = 8,705.58

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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.