Home / 10,817.08-16,215.36-3,416.44

Finding the Fourth Proportional to 10,817.08, 16,215.36 and 3,416.44

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Solution

The fourth proportional to 10,817.08, 16,215.36 and 3,416.44 is: 5,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.08 : 16,215.36 = 3,416.44 : x
  2. Step 2: Convert to fraction form
    10,817.08/16,215.36 = 3,416.44/x
  3. Step 3: Cross multiply
    10,817.08x = 16,215.36 × 3,416.44
  4. Step 4: Simplify right side
    10,817.08x = 55,398,804.52
  5. Step 5: Solve for x
    x = 55,398,804.52/10,817.08
  6. Step 6: Final answer
    x = 5,121.42

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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.