Home / 11,108.20-16,662.30-5,276.20

Finding the Fourth Proportional to 11,108.20, 16,662.30 and 5,276.20

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Solution

The fourth proportional to 11,108.20, 16,662.30 and 5,276.20 is: 7,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.20 : 16,662.30 = 5,276.20 : x
  2. Step 2: Convert to fraction form
    11,108.20/16,662.30 = 5,276.20/x
  3. Step 3: Cross multiply
    11,108.20x = 16,662.30 × 5,276.20
  4. Step 4: Simplify right side
    11,108.20x = 87,913,627.26
  5. Step 5: Solve for x
    x = 87,913,627.26/11,108.20
  6. Step 6: Final answer
    x = 7,914.30

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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.