Home / 11,330.91-16,993.80-4,308.42

Finding the Fourth Proportional to 11,330.91, 16,993.80 and 4,308.42

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Solution

The fourth proportional to 11,330.91, 16,993.80 and 4,308.42 is: 6,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.91 : 16,993.80 = 4,308.42 : x
  2. Step 2: Convert to fraction form
    11,330.91/16,993.80 = 4,308.42/x
  3. Step 3: Cross multiply
    11,330.91x = 16,993.80 × 4,308.42
  4. Step 4: Simplify right side
    11,330.91x = 73,216,321.28
  5. Step 5: Solve for x
    x = 73,216,321.28/11,330.91
  6. Step 6: Final answer
    x = 6,461.65

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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.