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Finding the Fourth Proportional to 8,775.36, 13,165.18 and 6,183.36

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Solution

The fourth proportional to 8,775.36, 13,165.18 and 6,183.36 is: 9,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.36 : 13,165.18 = 6,183.36 : x
  2. Step 2: Convert to fraction form
    8,775.36/13,165.18 = 6,183.36/x
  3. Step 3: Cross multiply
    8,775.36x = 13,165.18 × 6,183.36
  4. Step 4: Simplify right side
    8,775.36x = 81,405,047.40
  5. Step 5: Solve for x
    x = 81,405,047.40/8,775.36
  6. Step 6: Final answer
    x = 9,276.55

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1.5x scale

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.