Home / 13,983.40-19,292.74-7,932.64

Finding the Fourth Proportional to 13,983.40, 19,292.74 and 7,932.64

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Solution

The fourth proportional to 13,983.40, 19,292.74 and 7,932.64 is: 10,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.40 : 19,292.74 = 7,932.64 : x
  2. Step 2: Convert to fraction form
    13,983.40/19,292.74 = 7,932.64/x
  3. Step 3: Cross multiply
    13,983.40x = 19,292.74 × 7,932.64
  4. Step 4: Simplify right side
    13,983.40x = 153,042,361.03
  5. Step 5: Solve for x
    x = 153,042,361.03/13,983.40
  6. Step 6: Final answer
    x = 10,944.57

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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.