Home / 14,020.92-19,340.31-8,351.87

Finding the Fourth Proportional to 14,020.92, 19,340.31 and 8,351.87

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Solution

The fourth proportional to 14,020.92, 19,340.31 and 8,351.87 is: 11,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.92 : 19,340.31 = 8,351.87 : x
  2. Step 2: Convert to fraction form
    14,020.92/19,340.31 = 8,351.87/x
  3. Step 3: Cross multiply
    14,020.92x = 19,340.31 × 8,351.87
  4. Step 4: Simplify right side
    14,020.92x = 161,527,658.18
  5. Step 5: Solve for x
    x = 161,527,658.18/14,020.92
  6. Step 6: Final answer
    x = 11,520.47

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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.