Home / 10,956.46-16,448.81-9,406.43

Finding the Fourth Proportional to 10,956.46, 16,448.81 and 9,406.43

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Solution

The fourth proportional to 10,956.46, 16,448.81 and 9,406.43 is: 14,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.46 : 16,448.81 = 9,406.43 : x
  2. Step 2: Convert to fraction form
    10,956.46/16,448.81 = 9,406.43/x
  3. Step 3: Cross multiply
    10,956.46x = 16,448.81 × 9,406.43
  4. Step 4: Simplify right side
    10,956.46x = 154,724,579.85
  5. Step 5: Solve for x
    x = 154,724,579.85/10,956.46
  6. Step 6: Final answer
    x = 14,121.77

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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.