Home / 20,590.08-30,889.92-6,738.24

Finding the Fourth Proportional to 20,590.08, 30,889.92 and 6,738.24

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Solution

The fourth proportional to 20,590.08, 30,889.92 and 6,738.24 is: 10,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.08 : 30,889.92 = 6,738.24 : x
  2. Step 2: Convert to fraction form
    20,590.08/30,889.92 = 6,738.24/x
  3. Step 3: Cross multiply
    20,590.08x = 30,889.92 × 6,738.24
  4. Step 4: Simplify right side
    20,590.08x = 208,143,694.54
  5. Step 5: Solve for x
    x = 208,143,694.54/20,590.08
  6. Step 6: Final answer
    x = 10,108.93

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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.