Home / 14,716.09-20,305.92-8,427.25

Finding the Fourth Proportional to 14,716.09, 20,305.92 and 8,427.25

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Solution

The fourth proportional to 14,716.09, 20,305.92 and 8,427.25 is: 11,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.09 : 20,305.92 = 8,427.25 : x
  2. Step 2: Convert to fraction form
    14,716.09/20,305.92 = 8,427.25/x
  3. Step 3: Cross multiply
    14,716.09x = 20,305.92 × 8,427.25
  4. Step 4: Simplify right side
    14,716.09x = 171,123,064.32
  5. Step 5: Solve for x
    x = 171,123,064.32/14,716.09
  6. Step 6: Final answer
    x = 11,628.30

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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.