Home / 11,249.52-16,857.85-6,328.77

Finding the Fourth Proportional to 11,249.52, 16,857.85 and 6,328.77

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Solution

The fourth proportional to 11,249.52, 16,857.85 and 6,328.77 is: 9,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.52 : 16,857.85 = 6,328.77 : x
  2. Step 2: Convert to fraction form
    11,249.52/16,857.85 = 6,328.77/x
  3. Step 3: Cross multiply
    11,249.52x = 16,857.85 × 6,328.77
  4. Step 4: Simplify right side
    11,249.52x = 106,689,455.34
  5. Step 5: Solve for x
    x = 106,689,455.34/11,249.52
  6. Step 6: Final answer
    x = 9,483.91

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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.