Home / 13,993.52-19,311.24-7,706.36

Finding the Fourth Proportional to 13,993.52, 19,311.24 and 7,706.36

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Solution

The fourth proportional to 13,993.52, 19,311.24 and 7,706.36 is: 10,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.52 : 19,311.24 = 7,706.36 : x
  2. Step 2: Convert to fraction form
    13,993.52/19,311.24 = 7,706.36/x
  3. Step 3: Cross multiply
    13,993.52x = 19,311.24 × 7,706.36
  4. Step 4: Simplify right side
    13,993.52x = 148,819,367.49
  5. Step 5: Solve for x
    x = 148,819,367.49/13,993.52
  6. Step 6: Final answer
    x = 10,634.88

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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.