Home / 19,947.74-29,911.07-8,849.59

Finding the Fourth Proportional to 19,947.74, 29,911.07 and 8,849.59

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Solution

The fourth proportional to 19,947.74, 29,911.07 and 8,849.59 is: 13,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.74 : 29,911.07 = 8,849.59 : x
  2. Step 2: Convert to fraction form
    19,947.74/29,911.07 = 8,849.59/x
  3. Step 3: Cross multiply
    19,947.74x = 29,911.07 × 8,849.59
  4. Step 4: Simplify right side
    19,947.74x = 264,700,653.31
  5. Step 5: Solve for x
    x = 264,700,653.31/19,947.74
  6. Step 6: Final answer
    x = 13,269.71

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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.