Home / 11,309.58-16,970.94-4,735.20

Finding the Fourth Proportional to 11,309.58, 16,970.94 and 4,735.20

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Solution

The fourth proportional to 11,309.58, 16,970.94 and 4,735.20 is: 7,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.58 : 16,970.94 = 4,735.20 : x
  2. Step 2: Convert to fraction form
    11,309.58/16,970.94 = 4,735.20/x
  3. Step 3: Cross multiply
    11,309.58x = 16,970.94 × 4,735.20
  4. Step 4: Simplify right side
    11,309.58x = 80,360,795.09
  5. Step 5: Solve for x
    x = 80,360,795.09/11,309.58
  6. Step 6: Final answer
    x = 7,105.55

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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.