Home / 13,996.60-19,309.82-8,025.08

Finding the Fourth Proportional to 13,996.60, 19,309.82 and 8,025.08

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Solution

The fourth proportional to 13,996.60, 19,309.82 and 8,025.08 is: 11,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.60 : 19,309.82 = 8,025.08 : x
  2. Step 2: Convert to fraction form
    13,996.60/19,309.82 = 8,025.08/x
  3. Step 3: Cross multiply
    13,996.60x = 19,309.82 × 8,025.08
  4. Step 4: Simplify right side
    13,996.60x = 154,962,850.29
  5. Step 5: Solve for x
    x = 154,962,850.29/13,996.60
  6. Step 6: Final answer
    x = 11,071.46

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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.