Home / 14,448.94-19,939.55-8,161.31

Finding the Fourth Proportional to 14,448.94, 19,939.55 and 8,161.31

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Solution

The fourth proportional to 14,448.94, 19,939.55 and 8,161.31 is: 11,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.94 : 19,939.55 = 8,161.31 : x
  2. Step 2: Convert to fraction form
    14,448.94/19,939.55 = 8,161.31/x
  3. Step 3: Cross multiply
    14,448.94x = 19,939.55 × 8,161.31
  4. Step 4: Simplify right side
    14,448.94x = 162,732,857.85
  5. Step 5: Solve for x
    x = 162,732,857.85/14,448.94
  6. Step 6: Final answer
    x = 11,262.62

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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.