Home / 20,473.35-30,717.42-7,148.31

Finding the Fourth Proportional to 20,473.35, 30,717.42 and 7,148.31

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Solution

The fourth proportional to 20,473.35, 30,717.42 and 7,148.31 is: 10,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.35 : 30,717.42 = 7,148.31 : x
  2. Step 2: Convert to fraction form
    20,473.35/30,717.42 = 7,148.31/x
  3. Step 3: Cross multiply
    20,473.35x = 30,717.42 × 7,148.31
  4. Step 4: Simplify right side
    20,473.35x = 219,577,623.97
  5. Step 5: Solve for x
    x = 219,577,623.97/20,473.35
  6. Step 6: Final answer
    x = 10,725.04

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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.