Home / 19,131.26-28,698.35-5,983.61

Finding the Fourth Proportional to 19,131.26, 28,698.35 and 5,983.61

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Solution

The fourth proportional to 19,131.26, 28,698.35 and 5,983.61 is: 8,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.26 : 28,698.35 = 5,983.61 : x
  2. Step 2: Convert to fraction form
    19,131.26/28,698.35 = 5,983.61/x
  3. Step 3: Cross multiply
    19,131.26x = 28,698.35 × 5,983.61
  4. Step 4: Simplify right side
    19,131.26x = 171,719,560.63
  5. Step 5: Solve for x
    x = 171,719,560.63/19,131.26
  6. Step 6: Final answer
    x = 8,975.86

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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.