Home / 13,983.10-19,296.68-7,695.48

Finding the Fourth Proportional to 13,983.10, 19,296.68 and 7,695.48

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Solution

The fourth proportional to 13,983.10, 19,296.68 and 7,695.48 is: 10,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.10 : 19,296.68 = 7,695.48 : x
  2. Step 2: Convert to fraction form
    13,983.10/19,296.68 = 7,695.48/x
  3. Step 3: Cross multiply
    13,983.10x = 19,296.68 × 7,695.48
  4. Step 4: Simplify right side
    13,983.10x = 148,497,215.01
  5. Step 5: Solve for x
    x = 148,497,215.01/13,983.10
  6. Step 6: Final answer
    x = 10,619.76

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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.