Home / 20,579.67-30,863.36-8,733.24

Finding the Fourth Proportional to 20,579.67, 30,863.36 and 8,733.24

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Solution

The fourth proportional to 20,579.67, 30,863.36 and 8,733.24 is: 13,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.67 : 30,863.36 = 8,733.24 : x
  2. Step 2: Convert to fraction form
    20,579.67/30,863.36 = 8,733.24/x
  3. Step 3: Cross multiply
    20,579.67x = 30,863.36 × 8,733.24
  4. Step 4: Simplify right side
    20,579.67x = 269,537,151.92
  5. Step 5: Solve for x
    x = 269,537,151.92/20,579.67
  6. Step 6: Final answer
    x = 13,097.25

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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.