Home / 9,778.82-14,640.26-6,485.36

Finding the Fourth Proportional to 9,778.82, 14,640.26 and 6,485.36

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Solution

The fourth proportional to 9,778.82, 14,640.26 and 6,485.36 is: 9,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.82 : 14,640.26 = 6,485.36 : x
  2. Step 2: Convert to fraction form
    9,778.82/14,640.26 = 6,485.36/x
  3. Step 3: Cross multiply
    9,778.82x = 14,640.26 × 6,485.36
  4. Step 4: Simplify right side
    9,778.82x = 94,947,250.97
  5. Step 5: Solve for x
    x = 94,947,250.97/9,778.82
  6. Step 6: Final answer
    x = 9,709.48

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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.