Home / 11,151.10-16,717.41-8,696.80

Finding the Fourth Proportional to 11,151.10, 16,717.41 and 8,696.80

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Solution

The fourth proportional to 11,151.10, 16,717.41 and 8,696.80 is: 13,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.10 : 16,717.41 = 8,696.80 : x
  2. Step 2: Convert to fraction form
    11,151.10/16,717.41 = 8,696.80/x
  3. Step 3: Cross multiply
    11,151.10x = 16,717.41 × 8,696.80
  4. Step 4: Simplify right side
    11,151.10x = 145,387,971.29
  5. Step 5: Solve for x
    x = 145,387,971.29/11,151.10
  6. Step 6: Final answer
    x = 13,037.99

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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.