Home / 11,291.40-16,940.52-3,500.28

Finding the Fourth Proportional to 11,291.40, 16,940.52 and 3,500.28

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Solution

The fourth proportional to 11,291.40, 16,940.52 and 3,500.28 is: 5,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.40 : 16,940.52 = 3,500.28 : x
  2. Step 2: Convert to fraction form
    11,291.40/16,940.52 = 3,500.28/x
  3. Step 3: Cross multiply
    11,291.40x = 16,940.52 × 3,500.28
  4. Step 4: Simplify right side
    11,291.40x = 59,296,563.35
  5. Step 5: Solve for x
    x = 59,296,563.35/11,291.40
  6. Step 6: Final answer
    x = 5,251.48

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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.