Home / 20,348.61-30,527.57-7,868.73

Finding the Fourth Proportional to 20,348.61, 30,527.57 and 7,868.73

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Solution

The fourth proportional to 20,348.61, 30,527.57 and 7,868.73 is: 11,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.61 : 30,527.57 = 7,868.73 : x
  2. Step 2: Convert to fraction form
    20,348.61/30,527.57 = 7,868.73/x
  3. Step 3: Cross multiply
    20,348.61x = 30,527.57 × 7,868.73
  4. Step 4: Simplify right side
    20,348.61x = 240,213,166.54
  5. Step 5: Solve for x
    x = 240,213,166.54/20,348.61
  6. Step 6: Final answer
    x = 11,804.89

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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.