Home / 11,945.08-16,484.76-6,640.44

Finding the Fourth Proportional to 11,945.08, 16,484.76 and 6,640.44

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Solution

The fourth proportional to 11,945.08, 16,484.76 and 6,640.44 is: 9,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.08 : 16,484.76 = 6,640.44 : x
  2. Step 2: Convert to fraction form
    11,945.08/16,484.76 = 6,640.44/x
  3. Step 3: Cross multiply
    11,945.08x = 16,484.76 × 6,640.44
  4. Step 4: Simplify right side
    11,945.08x = 109,466,059.69
  5. Step 5: Solve for x
    x = 109,466,059.69/11,945.08
  6. Step 6: Final answer
    x = 9,164.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.