Home / 14,942.70-22,428.72-11,399.76

Finding the Fourth Proportional to 14,942.70, 22,428.72 and 11,399.76

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Solution

The fourth proportional to 14,942.70, 22,428.72 and 11,399.76 is: 17,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.70 : 22,428.72 = 11,399.76 : x
  2. Step 2: Convert to fraction form
    14,942.70/22,428.72 = 11,399.76/x
  3. Step 3: Cross multiply
    14,942.70x = 22,428.72 × 11,399.76
  4. Step 4: Simplify right side
    14,942.70x = 255,682,025.11
  5. Step 5: Solve for x
    x = 255,682,025.11/14,942.70
  6. Step 6: Final answer
    x = 17,110.83

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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.