Home / 19,778.44-29,628.43-10,404.31

Finding the Fourth Proportional to 19,778.44, 29,628.43 and 10,404.31

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Solution

The fourth proportional to 19,778.44, 29,628.43 and 10,404.31 is: 15,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.44 : 29,628.43 = 10,404.31 : x
  2. Step 2: Convert to fraction form
    19,778.44/29,628.43 = 10,404.31/x
  3. Step 3: Cross multiply
    19,778.44x = 29,628.43 × 10,404.31
  4. Step 4: Simplify right side
    19,778.44x = 308,263,370.53
  5. Step 5: Solve for x
    x = 308,263,370.53/19,778.44
  6. Step 6: Final answer
    x = 15,585.83

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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.