Home / 11,221.08-16,832.10-4,295

Finding the Fourth Proportional to 11,221.08, 16,832.10 and 4,295

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Solution

The fourth proportional to 11,221.08, 16,832.10 and 4,295 is: 6,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.08 : 16,832.10 = 4,295 : x
  2. Step 2: Convert to fraction form
    11,221.08/16,832.10 = 4,295/x
  3. Step 3: Cross multiply
    11,221.08x = 16,832.10 × 4,295
  4. Step 4: Simplify right side
    11,221.08x = 72,293,869.50
  5. Step 5: Solve for x
    x = 72,293,869.50/11,221.08
  6. Step 6: Final answer
    x = 6,442.68

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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.