Home / 11,128.45-16,698.83-4,559.25

Finding the Fourth Proportional to 11,128.45, 16,698.83 and 4,559.25

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Solution

The fourth proportional to 11,128.45, 16,698.83 and 4,559.25 is: 6,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.45 : 16,698.83 = 4,559.25 : x
  2. Step 2: Convert to fraction form
    11,128.45/16,698.83 = 4,559.25/x
  3. Step 3: Cross multiply
    11,128.45x = 16,698.83 × 4,559.25
  4. Step 4: Simplify right side
    11,128.45x = 76,134,140.68
  5. Step 5: Solve for x
    x = 76,134,140.68/11,128.45
  6. Step 6: Final answer
    x = 6,841.40

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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.