Home / 20,951.23-31,426.84-6,160.27

Finding the Fourth Proportional to 20,951.23, 31,426.84 and 6,160.27

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Solution

The fourth proportional to 20,951.23, 31,426.84 and 6,160.27 is: 9,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951.23 : 31,426.84 = 6,160.27 : x
  2. Step 2: Convert to fraction form
    20,951.23/31,426.84 = 6,160.27/x
  3. Step 3: Cross multiply
    20,951.23x = 31,426.84 × 6,160.27
  4. Step 4: Simplify right side
    20,951.23x = 193,597,819.65
  5. Step 5: Solve for x
    x = 193,597,819.65/20,951.23
  6. Step 6: Final answer
    x = 9,240.40

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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.