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Finding the Fourth Proportional to 11,300.22, 16,949.04 and 2,980.90

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Solution

The fourth proportional to 11,300.22, 16,949.04 and 2,980.90 is: 4,471.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.22 : 16,949.04 = 2,980.90 : x
  2. Step 2: Convert to fraction form
    11,300.22/16,949.04 = 2,980.90/x
  3. Step 3: Cross multiply
    11,300.22x = 16,949.04 × 2,980.90
  4. Step 4: Simplify right side
    11,300.22x = 50,523,336.06
  5. Step 5: Solve for x
    x = 50,523,336.06/11,300.22
  6. Step 6: Final answer
    x = 4,471.00

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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.