Home / 10,999.44-16,495.28-4,759.20

Finding the Fourth Proportional to 10,999.44, 16,495.28 and 4,759.20

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Solution

The fourth proportional to 10,999.44, 16,495.28 and 4,759.20 is: 7,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.44 : 16,495.28 = 4,759.20 : x
  2. Step 2: Convert to fraction form
    10,999.44/16,495.28 = 4,759.20/x
  3. Step 3: Cross multiply
    10,999.44x = 16,495.28 × 4,759.20
  4. Step 4: Simplify right side
    10,999.44x = 78,504,336.58
  5. Step 5: Solve for x
    x = 78,504,336.58/10,999.44
  6. Step 6: Final answer
    x = 7,137.12

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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.