Home / 20,467.46-30,702.61-7,983.34

Finding the Fourth Proportional to 20,467.46, 30,702.61 and 7,983.34

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Solution

The fourth proportional to 20,467.46, 30,702.61 and 7,983.34 is: 11,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.46 : 30,702.61 = 7,983.34 : x
  2. Step 2: Convert to fraction form
    20,467.46/30,702.61 = 7,983.34/x
  3. Step 3: Cross multiply
    20,467.46x = 30,702.61 × 7,983.34
  4. Step 4: Simplify right side
    20,467.46x = 245,109,307.74
  5. Step 5: Solve for x
    x = 245,109,307.74/20,467.46
  6. Step 6: Final answer
    x = 11,975.56

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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.