Home / 11,295.05-15,550.79-9,698.54

Finding the Fourth Proportional to 11,295.05, 15,550.79 and 9,698.54

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Solution

The fourth proportional to 11,295.05, 15,550.79 and 9,698.54 is: 13,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.05 : 15,550.79 = 9,698.54 : x
  2. Step 2: Convert to fraction form
    11,295.05/15,550.79 = 9,698.54/x
  3. Step 3: Cross multiply
    11,295.05x = 15,550.79 × 9,698.54
  4. Step 4: Simplify right side
    11,295.05x = 150,819,832.60
  5. Step 5: Solve for x
    x = 150,819,832.60/11,295.05
  6. Step 6: Final answer
    x = 13,352.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.