Home / 11,005.77-16,508.48-4,431.80

Finding the Fourth Proportional to 11,005.77, 16,508.48 and 4,431.80

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Solution

The fourth proportional to 11,005.77, 16,508.48 and 4,431.80 is: 6,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.77 : 16,508.48 = 4,431.80 : x
  2. Step 2: Convert to fraction form
    11,005.77/16,508.48 = 4,431.80/x
  3. Step 3: Cross multiply
    11,005.77x = 16,508.48 × 4,431.80
  4. Step 4: Simplify right side
    11,005.77x = 73,162,176.96
  5. Step 5: Solve for x
    x = 73,162,176.96/11,005.77
  6. Step 6: Final answer
    x = 6,647.62

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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.