Home / 20,575.24-30,795.54-11,191.84

Finding the Fourth Proportional to 20,575.24, 30,795.54 and 11,191.84

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Solution

The fourth proportional to 20,575.24, 30,795.54 and 11,191.84 is: 16,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.24 : 30,795.54 = 11,191.84 : x
  2. Step 2: Convert to fraction form
    20,575.24/30,795.54 = 11,191.84/x
  3. Step 3: Cross multiply
    20,575.24x = 30,795.54 × 11,191.84
  4. Step 4: Simplify right side
    20,575.24x = 344,658,756.39
  5. Step 5: Solve for x
    x = 344,658,756.39/20,575.24
  6. Step 6: Final answer
    x = 16,751.14

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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.