Home / 19,965.74-29,951.31-6,814.58

Finding the Fourth Proportional to 19,965.74, 29,951.31 and 6,814.58

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Solution

The fourth proportional to 19,965.74, 29,951.31 and 6,814.58 is: 10,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.74 : 29,951.31 = 6,814.58 : x
  2. Step 2: Convert to fraction form
    19,965.74/29,951.31 = 6,814.58/x
  3. Step 3: Cross multiply
    19,965.74x = 29,951.31 × 6,814.58
  4. Step 4: Simplify right side
    19,965.74x = 204,105,698.53
  5. Step 5: Solve for x
    x = 204,105,698.53/19,965.74
  6. Step 6: Final answer
    x = 10,222.80

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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.