Home / 13,993.60-19,305.68-8,022.08

Finding the Fourth Proportional to 13,993.60, 19,305.68 and 8,022.08

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Solution

The fourth proportional to 13,993.60, 19,305.68 and 8,022.08 is: 11,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.60 : 19,305.68 = 8,022.08 : x
  2. Step 2: Convert to fraction form
    13,993.60/19,305.68 = 8,022.08/x
  3. Step 3: Cross multiply
    13,993.60x = 19,305.68 × 8,022.08
  4. Step 4: Simplify right side
    13,993.60x = 154,871,709.41
  5. Step 5: Solve for x
    x = 154,871,709.41/13,993.60
  6. Step 6: Final answer
    x = 11,067.32

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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.