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Finding the Fourth Proportional to 8,896.01, 13,357.89 and 8,501.65

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Solution

The fourth proportional to 8,896.01, 13,357.89 and 8,501.65 is: 12,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.01 : 13,357.89 = 8,501.65 : x
  2. Step 2: Convert to fraction form
    8,896.01/13,357.89 = 8,501.65/x
  3. Step 3: Cross multiply
    8,896.01x = 13,357.89 × 8,501.65
  4. Step 4: Simplify right side
    8,896.01x = 113,564,072.12
  5. Step 5: Solve for x
    x = 113,564,072.12/8,896.01
  6. Step 6: Final answer
    x = 12,765.74

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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.