Home / 20,263.75-30,393.33-5,471.80

Finding the Fourth Proportional to 20,263.75, 30,393.33 and 5,471.80

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Solution

The fourth proportional to 20,263.75, 30,393.33 and 5,471.80 is: 8,207.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.75 : 30,393.33 = 5,471.80 : x
  2. Step 2: Convert to fraction form
    20,263.75/30,393.33 = 5,471.80/x
  3. Step 3: Cross multiply
    20,263.75x = 30,393.33 × 5,471.80
  4. Step 4: Simplify right side
    20,263.75x = 166,306,223.09
  5. Step 5: Solve for x
    x = 166,306,223.09/20,263.75
  6. Step 6: Final answer
    x = 8,207.08

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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.