Home / 19,945.83-29,922.29-6,619.62

Finding the Fourth Proportional to 19,945.83, 29,922.29 and 6,619.62

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Solution

The fourth proportional to 19,945.83, 29,922.29 and 6,619.62 is: 9,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.83 : 29,922.29 = 6,619.62 : x
  2. Step 2: Convert to fraction form
    19,945.83/29,922.29 = 6,619.62/x
  3. Step 3: Cross multiply
    19,945.83x = 29,922.29 × 6,619.62
  4. Step 4: Simplify right side
    19,945.83x = 198,074,330.50
  5. Step 5: Solve for x
    x = 198,074,330.50/19,945.83
  6. Step 6: Final answer
    x = 9,930.61

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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.