Home / 20,384.20-30,573.02-5,589.69

Finding the Fourth Proportional to 20,384.20, 30,573.02 and 5,589.69

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Solution

The fourth proportional to 20,384.20, 30,573.02 and 5,589.69 is: 8,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,384.20 : 30,573.02 = 5,589.69 : x
  2. Step 2: Convert to fraction form
    20,384.20/30,573.02 = 5,589.69/x
  3. Step 3: Cross multiply
    20,384.20x = 30,573.02 × 5,589.69
  4. Step 4: Simplify right side
    20,384.20x = 170,893,704.16
  5. Step 5: Solve for x
    x = 170,893,704.16/20,384.20
  6. Step 6: Final answer
    x = 8,383.64

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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.