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Finding the Fourth Proportional to 8,803.10, 13,185.11 and 6,299.63

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Solution

The fourth proportional to 8,803.10, 13,185.11 and 6,299.63 is: 9,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.10 : 13,185.11 = 6,299.63 : x
  2. Step 2: Convert to fraction form
    8,803.10/13,185.11 = 6,299.63/x
  3. Step 3: Cross multiply
    8,803.10x = 13,185.11 × 6,299.63
  4. Step 4: Simplify right side
    8,803.10x = 83,061,217.09
  5. Step 5: Solve for x
    x = 83,061,217.09/8,803.10
  6. Step 6: Final answer
    x = 9,435.46

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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.