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Finding the Fourth Proportional to 11,700.62, 17,563.08 and 6,779.87

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Solution

The fourth proportional to 11,700.62, 17,563.08 and 6,779.87 is: 10,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.62 : 17,563.08 = 6,779.87 : x
  2. Step 2: Convert to fraction form
    11,700.62/17,563.08 = 6,779.87/x
  3. Step 3: Cross multiply
    11,700.62x = 17,563.08 × 6,779.87
  4. Step 4: Simplify right side
    11,700.62x = 119,075,399.20
  5. Step 5: Solve for x
    x = 119,075,399.20/11,700.62
  6. Step 6: Final answer
    x = 10,176.85

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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.