Home / 13,539.04-20,306.46-5,222.95

Finding the Fourth Proportional to 13,539.04, 20,306.46 and 5,222.95

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Solution

The fourth proportional to 13,539.04, 20,306.46 and 5,222.95 is: 7,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.04 : 20,306.46 = 5,222.95 : x
  2. Step 2: Convert to fraction form
    13,539.04/20,306.46 = 5,222.95/x
  3. Step 3: Cross multiply
    13,539.04x = 20,306.46 × 5,222.95
  4. Step 4: Simplify right side
    13,539.04x = 106,059,523.72
  5. Step 5: Solve for x
    x = 106,059,523.72/13,539.04
  6. Step 6: Final answer
    x = 7,833.61

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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.