Home / 10,783.92-16,176.98-2,992.72

Finding the Fourth Proportional to 10,783.92, 16,176.98 and 2,992.72

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Solution

The fourth proportional to 10,783.92, 16,176.98 and 2,992.72 is: 4,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.92 : 16,176.98 = 2,992.72 : x
  2. Step 2: Convert to fraction form
    10,783.92/16,176.98 = 2,992.72/x
  3. Step 3: Cross multiply
    10,783.92x = 16,176.98 × 2,992.72
  4. Step 4: Simplify right side
    10,783.92x = 48,413,171.59
  5. Step 5: Solve for x
    x = 48,413,171.59/10,783.92
  6. Step 6: Final answer
    x = 4,489.39

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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.