Home / 11,626.63-16,043.29-7,857.99

Finding the Fourth Proportional to 11,626.63, 16,043.29 and 7,857.99

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Solution

The fourth proportional to 11,626.63, 16,043.29 and 7,857.99 is: 10,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.63 : 16,043.29 = 7,857.99 : x
  2. Step 2: Convert to fraction form
    11,626.63/16,043.29 = 7,857.99/x
  3. Step 3: Cross multiply
    11,626.63x = 16,043.29 × 7,857.99
  4. Step 4: Simplify right side
    11,626.63x = 126,068,012.39
  5. Step 5: Solve for x
    x = 126,068,012.39/11,626.63
  6. Step 6: Final answer
    x = 10,843.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.