Home / 19,659.44-29,493.77-5,619.65

Finding the Fourth Proportional to 19,659.44, 29,493.77 and 5,619.65

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Solution

The fourth proportional to 19,659.44, 29,493.77 and 5,619.65 is: 8,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.44 : 29,493.77 = 5,619.65 : x
  2. Step 2: Convert to fraction form
    19,659.44/29,493.77 = 5,619.65/x
  3. Step 3: Cross multiply
    19,659.44x = 29,493.77 × 5,619.65
  4. Step 4: Simplify right side
    19,659.44x = 165,744,489.01
  5. Step 5: Solve for x
    x = 165,744,489.01/19,659.44
  6. Step 6: Final answer
    x = 8,430.78

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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.