Home / 20,344.56-30,516.52-8,504.68

Finding the Fourth Proportional to 20,344.56, 30,516.52 and 8,504.68

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Solution

The fourth proportional to 20,344.56, 30,516.52 and 8,504.68 is: 12,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.56 : 30,516.52 = 8,504.68 : x
  2. Step 2: Convert to fraction form
    20,344.56/30,516.52 = 8,504.68/x
  3. Step 3: Cross multiply
    20,344.56x = 30,516.52 × 8,504.68
  4. Step 4: Simplify right side
    20,344.56x = 259,533,237.31
  5. Step 5: Solve for x
    x = 259,533,237.31/20,344.56
  6. Step 6: Final answer
    x = 12,756.89

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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.