Home / 20,575.44-30,863.16-4,993.07

Finding the Fourth Proportional to 20,575.44, 30,863.16 and 4,993.07

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Solution

The fourth proportional to 20,575.44, 30,863.16 and 4,993.07 is: 7,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.44 : 30,863.16 = 4,993.07 : x
  2. Step 2: Convert to fraction form
    20,575.44/30,863.16 = 4,993.07/x
  3. Step 3: Cross multiply
    20,575.44x = 30,863.16 × 4,993.07
  4. Step 4: Simplify right side
    20,575.44x = 154,101,763.99
  5. Step 5: Solve for x
    x = 154,101,763.99/20,575.44
  6. Step 6: Final answer
    x = 7,489.60

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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.