Home / 13,993.12-19,314.30-8,027.92

Finding the Fourth Proportional to 13,993.12, 19,314.30 and 8,027.92

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Solution

The fourth proportional to 13,993.12, 19,314.30 and 8,027.92 is: 11,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.12 : 19,314.30 = 8,027.92 : x
  2. Step 2: Convert to fraction form
    13,993.12/19,314.30 = 8,027.92/x
  3. Step 3: Cross multiply
    13,993.12x = 19,314.30 × 8,027.92
  4. Step 4: Simplify right side
    13,993.12x = 155,053,655.26
  5. Step 5: Solve for x
    x = 155,053,655.26/13,993.12
  6. Step 6: Final answer
    x = 11,080.71

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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.