Home / 20,391.06-30,585.06-6,350.70

Finding the Fourth Proportional to 20,391.06, 30,585.06 and 6,350.70

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Solution

The fourth proportional to 20,391.06, 30,585.06 and 6,350.70 is: 9,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391.06 : 30,585.06 = 6,350.70 : x
  2. Step 2: Convert to fraction form
    20,391.06/30,585.06 = 6,350.70/x
  3. Step 3: Cross multiply
    20,391.06x = 30,585.06 × 6,350.70
  4. Step 4: Simplify right side
    20,391.06x = 194,236,540.54
  5. Step 5: Solve for x
    x = 194,236,540.54/20,391.06
  6. Step 6: Final answer
    x = 9,525.57

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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.