Home / 11,178.91-16,768.32-2,858.92

Finding the Fourth Proportional to 11,178.91, 16,768.32 and 2,858.92

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Solution

The fourth proportional to 11,178.91, 16,768.32 and 2,858.92 is: 4,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.91 : 16,768.32 = 2,858.92 : x
  2. Step 2: Convert to fraction form
    11,178.91/16,768.32 = 2,858.92/x
  3. Step 3: Cross multiply
    11,178.91x = 16,768.32 × 2,858.92
  4. Step 4: Simplify right side
    11,178.91x = 47,939,285.41
  5. Step 5: Solve for x
    x = 47,939,285.41/11,178.91
  6. Step 6: Final answer
    x = 4,288.37

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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.