Home / 19,454.24-29,179.78-5,221.60

Finding the Fourth Proportional to 19,454.24, 29,179.78 and 5,221.60

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Solution

The fourth proportional to 19,454.24, 29,179.78 and 5,221.60 is: 7,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.24 : 29,179.78 = 5,221.60 : x
  2. Step 2: Convert to fraction form
    19,454.24/29,179.78 = 5,221.60/x
  3. Step 3: Cross multiply
    19,454.24x = 29,179.78 × 5,221.60
  4. Step 4: Simplify right side
    19,454.24x = 152,365,053.24
  5. Step 5: Solve for x
    x = 152,365,053.24/19,454.24
  6. Step 6: Final answer
    x = 7,831.97

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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.