Home / 20,544.85-30,814.03-7,390.45

Finding the Fourth Proportional to 20,544.85, 30,814.03 and 7,390.45

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Solution

The fourth proportional to 20,544.85, 30,814.03 and 7,390.45 is: 11,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.85 : 30,814.03 = 7,390.45 : x
  2. Step 2: Convert to fraction form
    20,544.85/30,814.03 = 7,390.45/x
  3. Step 3: Cross multiply
    20,544.85x = 30,814.03 × 7,390.45
  4. Step 4: Simplify right side
    20,544.85x = 227,729,548.01
  5. Step 5: Solve for x
    x = 227,729,548.01/20,544.85
  6. Step 6: Final answer
    x = 11,084.51

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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.