Home / 10,878.99-16,268.67-8,107.59

Finding the Fourth Proportional to 10,878.99, 16,268.67 and 8,107.59

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Solution

The fourth proportional to 10,878.99, 16,268.67 and 8,107.59 is: 12,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.99 : 16,268.67 = 8,107.59 : x
  2. Step 2: Convert to fraction form
    10,878.99/16,268.67 = 8,107.59/x
  3. Step 3: Cross multiply
    10,878.99x = 16,268.67 × 8,107.59
  4. Step 4: Simplify right side
    10,878.99x = 131,899,706.21
  5. Step 5: Solve for x
    x = 131,899,706.21/10,878.99
  6. Step 6: Final answer
    x = 12,124.26

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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.