Home / 20,513.44-30,775.35-5,722.35

Finding the Fourth Proportional to 20,513.44, 30,775.35 and 5,722.35

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Solution

The fourth proportional to 20,513.44, 30,775.35 and 5,722.35 is: 8,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513.44 : 30,775.35 = 5,722.35 : x
  2. Step 2: Convert to fraction form
    20,513.44/30,775.35 = 5,722.35/x
  3. Step 3: Cross multiply
    20,513.44x = 30,775.35 × 5,722.35
  4. Step 4: Simplify right side
    20,513.44x = 176,107,324.07
  5. Step 5: Solve for x
    x = 176,107,324.07/20,513.44
  6. Step 6: Final answer
    x = 8,584.97

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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.