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Finding the Fourth Proportional to 8,845.08, 13,246.02 and 8,611.80

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Solution

The fourth proportional to 8,845.08, 13,246.02 and 8,611.80 is: 12,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.08 : 13,246.02 = 8,611.80 : x
  2. Step 2: Convert to fraction form
    8,845.08/13,246.02 = 8,611.80/x
  3. Step 3: Cross multiply
    8,845.08x = 13,246.02 × 8,611.80
  4. Step 4: Simplify right side
    8,845.08x = 114,072,075.04
  5. Step 5: Solve for x
    x = 114,072,075.04/8,845.08
  6. Step 6: Final answer
    x = 12,896.67

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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.