Home / 20,516.24-30,772.83-6,476.75

Finding the Fourth Proportional to 20,516.24, 30,772.83 and 6,476.75

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Solution

The fourth proportional to 20,516.24, 30,772.83 and 6,476.75 is: 9,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.24 : 30,772.83 = 6,476.75 : x
  2. Step 2: Convert to fraction form
    20,516.24/30,772.83 = 6,476.75/x
  3. Step 3: Cross multiply
    20,516.24x = 30,772.83 × 6,476.75
  4. Step 4: Simplify right side
    20,516.24x = 199,307,926.70
  5. Step 5: Solve for x
    x = 199,307,926.70/20,516.24
  6. Step 6: Final answer
    x = 9,714.64

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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.