Home / 13,983.28-19,296.78-7,695.52

Finding the Fourth Proportional to 13,983.28, 19,296.78 and 7,695.52

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Solution

The fourth proportional to 13,983.28, 19,296.78 and 7,695.52 is: 10,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.28 : 19,296.78 = 7,695.52 : x
  2. Step 2: Convert to fraction form
    13,983.28/19,296.78 = 7,695.52/x
  3. Step 3: Cross multiply
    13,983.28x = 19,296.78 × 7,695.52
  4. Step 4: Simplify right side
    13,983.28x = 148,498,756.43
  5. Step 5: Solve for x
    x = 148,498,756.43/13,983.28
  6. Step 6: Final answer
    x = 10,619.74

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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.