Home / 11,215.08-16,825.06-3,423.68

Finding the Fourth Proportional to 11,215.08, 16,825.06 and 3,423.68

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Solution

The fourth proportional to 11,215.08, 16,825.06 and 3,423.68 is: 5,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.08 : 16,825.06 = 3,423.68 : x
  2. Step 2: Convert to fraction form
    11,215.08/16,825.06 = 3,423.68/x
  3. Step 3: Cross multiply
    11,215.08x = 16,825.06 × 3,423.68
  4. Step 4: Simplify right side
    11,215.08x = 57,603,621.42
  5. Step 5: Solve for x
    x = 57,603,621.42/11,215.08
  6. Step 6: Final answer
    x = 5,136.26

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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.