Home / 14,451.24-19,943.10-8,163.48

Finding the Fourth Proportional to 14,451.24, 19,943.10 and 8,163.48

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Solution

The fourth proportional to 14,451.24, 19,943.10 and 8,163.48 is: 11,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.24 : 19,943.10 = 8,163.48 : x
  2. Step 2: Convert to fraction form
    14,451.24/19,943.10 = 8,163.48/x
  3. Step 3: Cross multiply
    14,451.24x = 19,943.10 × 8,163.48
  4. Step 4: Simplify right side
    14,451.24x = 162,805,097.99
  5. Step 5: Solve for x
    x = 162,805,097.99/14,451.24
  6. Step 6: Final answer
    x = 11,265.82

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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.