Home / 20,763.29-31,145.48-6,723.83

Finding the Fourth Proportional to 20,763.29, 31,145.48 and 6,723.83

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Solution

The fourth proportional to 20,763.29, 31,145.48 and 6,723.83 is: 10,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763.29 : 31,145.48 = 6,723.83 : x
  2. Step 2: Convert to fraction form
    20,763.29/31,145.48 = 6,723.83/x
  3. Step 3: Cross multiply
    20,763.29x = 31,145.48 × 6,723.83
  4. Step 4: Simplify right side
    20,763.29x = 209,416,912.79
  5. Step 5: Solve for x
    x = 209,416,912.79/20,763.29
  6. Step 6: Final answer
    x = 10,085.92

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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.