Home / 20,023.70-30,037.37-8,174.75

Finding the Fourth Proportional to 20,023.70, 30,037.37 and 8,174.75

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Solution

The fourth proportional to 20,023.70, 30,037.37 and 8,174.75 is: 12,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.70 : 30,037.37 = 8,174.75 : x
  2. Step 2: Convert to fraction form
    20,023.70/30,037.37 = 8,174.75/x
  3. Step 3: Cross multiply
    20,023.70x = 30,037.37 × 8,174.75
  4. Step 4: Simplify right side
    20,023.70x = 245,547,799.35
  5. Step 5: Solve for x
    x = 245,547,799.35/20,023.70
  6. Step 6: Final answer
    x = 12,262.86

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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.