Home / 14,614.36-20,163.04-8,943.20

Finding the Fourth Proportional to 14,614.36, 20,163.04 and 8,943.20

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Solution

The fourth proportional to 14,614.36, 20,163.04 and 8,943.20 is: 12,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.36 : 20,163.04 = 8,943.20 : x
  2. Step 2: Convert to fraction form
    14,614.36/20,163.04 = 8,943.20/x
  3. Step 3: Cross multiply
    14,614.36x = 20,163.04 × 8,943.20
  4. Step 4: Simplify right side
    14,614.36x = 180,322,099.33
  5. Step 5: Solve for x
    x = 180,322,099.33/14,614.36
  6. Step 6: Final answer
    x = 12,338.69

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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.