Home / 11,108.08-16,658.60-3,314.80

Finding the Fourth Proportional to 11,108.08, 16,658.60 and 3,314.80

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Solution

The fourth proportional to 11,108.08, 16,658.60 and 3,314.80 is: 4,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.08 : 16,658.60 = 3,314.80 : x
  2. Step 2: Convert to fraction form
    11,108.08/16,658.60 = 3,314.80/x
  3. Step 3: Cross multiply
    11,108.08x = 16,658.60 × 3,314.80
  4. Step 4: Simplify right side
    11,108.08x = 55,219,927.28
  5. Step 5: Solve for x
    x = 55,219,927.28/11,108.08
  6. Step 6: Final answer
    x = 4,971.15

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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.