Home / 13,960.08-19,265.04-7,991.46

Finding the Fourth Proportional to 13,960.08, 19,265.04 and 7,991.46

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Solution

The fourth proportional to 13,960.08, 19,265.04 and 7,991.46 is: 11,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.08 : 19,265.04 = 7,991.46 : x
  2. Step 2: Convert to fraction form
    13,960.08/19,265.04 = 7,991.46/x
  3. Step 3: Cross multiply
    13,960.08x = 19,265.04 × 7,991.46
  4. Step 4: Simplify right side
    13,960.08x = 153,955,796.56
  5. Step 5: Solve for x
    x = 153,955,796.56/13,960.08
  6. Step 6: Final answer
    x = 11,028.29

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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.