Home / 20,183.04-30,285.72-8,496

Finding the Fourth Proportional to 20,183.04, 30,285.72 and 8,496

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Solution

The fourth proportional to 20,183.04, 30,285.72 and 8,496 is: 12,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.04 : 30,285.72 = 8,496 : x
  2. Step 2: Convert to fraction form
    20,183.04/30,285.72 = 8,496/x
  3. Step 3: Cross multiply
    20,183.04x = 30,285.72 × 8,496
  4. Step 4: Simplify right side
    20,183.04x = 257,307,477.12
  5. Step 5: Solve for x
    x = 257,307,477.12/20,183.04
  6. Step 6: Final answer
    x = 12,748.70

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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.