Home / 20,527.72-30,803.46-11,168.68

Finding the Fourth Proportional to 20,527.72, 30,803.46 and 11,168.68

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Solution

The fourth proportional to 20,527.72, 30,803.46 and 11,168.68 is: 16,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.72 : 30,803.46 = 11,168.68 : x
  2. Step 2: Convert to fraction form
    20,527.72/30,803.46 = 11,168.68/x
  3. Step 3: Cross multiply
    20,527.72x = 30,803.46 × 11,168.68
  4. Step 4: Simplify right side
    20,527.72x = 344,033,987.63
  5. Step 5: Solve for x
    x = 344,033,987.63/20,527.72
  6. Step 6: Final answer
    x = 16,759.48

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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.