Home / 20,548.91-30,816.07-7,397.75

Finding the Fourth Proportional to 20,548.91, 30,816.07 and 7,397.75

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Solution

The fourth proportional to 20,548.91, 30,816.07 and 7,397.75 is: 11,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.91 : 30,816.07 = 7,397.75 : x
  2. Step 2: Convert to fraction form
    20,548.91/30,816.07 = 7,397.75/x
  3. Step 3: Cross multiply
    20,548.91x = 30,816.07 × 7,397.75
  4. Step 4: Simplify right side
    20,548.91x = 227,969,409.27
  5. Step 5: Solve for x
    x = 227,969,409.27/20,548.91
  6. Step 6: Final answer
    x = 11,093.99

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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.