Home / 16,891.77-25,341.78-11,903.87

Finding the Fourth Proportional to 16,891.77, 25,341.78 and 11,903.87

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Solution

The fourth proportional to 16,891.77, 25,341.78 and 11,903.87 is: 17,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.77 : 25,341.78 = 11,903.87 : x
  2. Step 2: Convert to fraction form
    16,891.77/25,341.78 = 11,903.87/x
  3. Step 3: Cross multiply
    16,891.77x = 25,341.78 × 11,903.87
  4. Step 4: Simplify right side
    16,891.77x = 301,665,161.57
  5. Step 5: Solve for x
    x = 301,665,161.57/16,891.77
  6. Step 6: Final answer
    x = 17,858.71

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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.