Home / 20,253.75-30,379.34-7,601.01

Finding the Fourth Proportional to 20,253.75, 30,379.34 and 7,601.01

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Solution

The fourth proportional to 20,253.75, 30,379.34 and 7,601.01 is: 11,401.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.75 : 30,379.34 = 7,601.01 : x
  2. Step 2: Convert to fraction form
    20,253.75/30,379.34 = 7,601.01/x
  3. Step 3: Cross multiply
    20,253.75x = 30,379.34 × 7,601.01
  4. Step 4: Simplify right side
    20,253.75x = 230,913,629.13
  5. Step 5: Solve for x
    x = 230,913,629.13/20,253.75
  6. Step 6: Final answer
    x = 11,401.03

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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.