Home / 13,993.80-19,309.98-8,025.36

Finding the Fourth Proportional to 13,993.80, 19,309.98 and 8,025.36

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Solution

The fourth proportional to 13,993.80, 19,309.98 and 8,025.36 is: 11,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.80 : 19,309.98 = 8,025.36 : x
  2. Step 2: Convert to fraction form
    13,993.80/19,309.98 = 8,025.36/x
  3. Step 3: Cross multiply
    13,993.80x = 19,309.98 × 8,025.36
  4. Step 4: Simplify right side
    13,993.80x = 154,969,541.09
  5. Step 5: Solve for x
    x = 154,969,541.09/13,993.80
  6. Step 6: Final answer
    x = 11,074.16

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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.