Home / 14,451.19-19,942.65-8,163.56

Finding the Fourth Proportional to 14,451.19, 19,942.65 and 8,163.56

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Solution

The fourth proportional to 14,451.19, 19,942.65 and 8,163.56 is: 11,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.19 : 19,942.65 = 8,163.56 : x
  2. Step 2: Convert to fraction form
    14,451.19/19,942.65 = 8,163.56/x
  3. Step 3: Cross multiply
    14,451.19x = 19,942.65 × 8,163.56
  4. Step 4: Simplify right side
    14,451.19x = 162,803,069.69
  5. Step 5: Solve for x
    x = 162,803,069.69/14,451.19
  6. Step 6: Final answer
    x = 11,265.72

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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.