Home / 11,038.08-16,558.20-3,640.80

Finding the Fourth Proportional to 11,038.08, 16,558.20 and 3,640.80

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Solution

The fourth proportional to 11,038.08, 16,558.20 and 3,640.80 is: 5,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.08 : 16,558.20 = 3,640.80 : x
  2. Step 2: Convert to fraction form
    11,038.08/16,558.20 = 3,640.80/x
  3. Step 3: Cross multiply
    11,038.08x = 16,558.20 × 3,640.80
  4. Step 4: Simplify right side
    11,038.08x = 60,285,094.56
  5. Step 5: Solve for x
    x = 60,285,094.56/11,038.08
  6. Step 6: Final answer
    x = 5,461.56

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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.