Home / 19,589.22-29,383.86-7,106.43

Finding the Fourth Proportional to 19,589.22, 29,383.86 and 7,106.43

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Solution

The fourth proportional to 19,589.22, 29,383.86 and 7,106.43 is: 10,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.22 : 29,383.86 = 7,106.43 : x
  2. Step 2: Convert to fraction form
    19,589.22/29,383.86 = 7,106.43/x
  3. Step 3: Cross multiply
    19,589.22x = 29,383.86 × 7,106.43
  4. Step 4: Simplify right side
    19,589.22x = 208,814,344.22
  5. Step 5: Solve for x
    x = 208,814,344.22/19,589.22
  6. Step 6: Final answer
    x = 10,659.66

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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.