Home / 20,375.14-30,574.65-8,527.93

Finding the Fourth Proportional to 20,375.14, 30,574.65 and 8,527.93

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Solution

The fourth proportional to 20,375.14, 30,574.65 and 8,527.93 is: 12,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375.14 : 30,574.65 = 8,527.93 : x
  2. Step 2: Convert to fraction form
    20,375.14/30,574.65 = 8,527.93/x
  3. Step 3: Cross multiply
    20,375.14x = 30,574.65 × 8,527.93
  4. Step 4: Simplify right side
    20,375.14x = 260,738,474.97
  5. Step 5: Solve for x
    x = 260,738,474.97/20,375.14
  6. Step 6: Final answer
    x = 12,796.89

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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.