Home / 13,996.74-19,309.41-8,404.50

Finding the Fourth Proportional to 13,996.74, 19,309.41 and 8,404.50

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Solution

The fourth proportional to 13,996.74, 19,309.41 and 8,404.50 is: 11,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.74 : 19,309.41 = 8,404.50 : x
  2. Step 2: Convert to fraction form
    13,996.74/19,309.41 = 8,404.50/x
  3. Step 3: Cross multiply
    13,996.74x = 19,309.41 × 8,404.50
  4. Step 4: Simplify right side
    13,996.74x = 162,285,936.35
  5. Step 5: Solve for x
    x = 162,285,936.35/13,996.74
  6. Step 6: Final answer
    x = 11,594.55

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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.