Home / 12,614.24-18,914.04-4,289.60

Finding the Fourth Proportional to 12,614.24, 18,914.04 and 4,289.60

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Solution

The fourth proportional to 12,614.24, 18,914.04 and 4,289.60 is: 6,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.24 : 18,914.04 = 4,289.60 : x
  2. Step 2: Convert to fraction form
    12,614.24/18,914.04 = 4,289.60/x
  3. Step 3: Cross multiply
    12,614.24x = 18,914.04 × 4,289.60
  4. Step 4: Simplify right side
    12,614.24x = 81,133,665.98
  5. Step 5: Solve for x
    x = 81,133,665.98/12,614.24
  6. Step 6: Final answer
    x = 6,431.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.