Home / 13,625.28-18,796.32-11,854.08

Finding the Fourth Proportional to 13,625.28, 18,796.32 and 11,854.08

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Solution

The fourth proportional to 13,625.28, 18,796.32 and 11,854.08 is: 16,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.28 : 18,796.32 = 11,854.08 : x
  2. Step 2: Convert to fraction form
    13,625.28/18,796.32 = 11,854.08/x
  3. Step 3: Cross multiply
    13,625.28x = 18,796.32 × 11,854.08
  4. Step 4: Simplify right side
    13,625.28x = 222,813,080.99
  5. Step 5: Solve for x
    x = 222,813,080.99/13,625.28
  6. Step 6: Final answer
    x = 16,352.92

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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.