Home / 13,965.25-19,270.43-7,996.57

Finding the Fourth Proportional to 13,965.25, 19,270.43 and 7,996.57

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Solution

The fourth proportional to 13,965.25, 19,270.43 and 7,996.57 is: 11,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.25 : 19,270.43 = 7,996.57 : x
  2. Step 2: Convert to fraction form
    13,965.25/19,270.43 = 7,996.57/x
  3. Step 3: Cross multiply
    13,965.25x = 19,270.43 × 7,996.57
  4. Step 4: Simplify right side
    13,965.25x = 154,097,342.43
  5. Step 5: Solve for x
    x = 154,097,342.43/13,965.25
  6. Step 6: Final answer
    x = 11,034.34

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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.