Home / 8,810.85-13,196.82-8,601.87

Finding the Fourth Proportional to 8,810.85, 13,196.82 and 8,601.87

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Solution

The fourth proportional to 8,810.85, 13,196.82 and 8,601.87 is: 12,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.85 : 13,196.82 = 8,601.87 : x
  2. Step 2: Convert to fraction form
    8,810.85/13,196.82 = 8,601.87/x
  3. Step 3: Cross multiply
    8,810.85x = 13,196.82 × 8,601.87
  4. Step 4: Simplify right side
    8,810.85x = 113,517,330.05
  5. Step 5: Solve for x
    x = 113,517,330.05/8,810.85
  6. Step 6: Final answer
    x = 12,883.81

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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.