Home / 13,178.70-19,764.94-3,816.24

Finding the Fourth Proportional to 13,178.70, 19,764.94 and 3,816.24

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Solution

The fourth proportional to 13,178.70, 19,764.94 and 3,816.24 is: 5,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.70 : 19,764.94 = 3,816.24 : x
  2. Step 2: Convert to fraction form
    13,178.70/19,764.94 = 3,816.24/x
  3. Step 3: Cross multiply
    13,178.70x = 19,764.94 × 3,816.24
  4. Step 4: Simplify right side
    13,178.70x = 75,427,722.98
  5. Step 5: Solve for x
    x = 75,427,722.98/13,178.70
  6. Step 6: Final answer
    x = 5,723.46

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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.