Home / 9,321.06-12,860.95-6,804.54

Finding the Fourth Proportional to 9,321.06, 12,860.95 and 6,804.54

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Solution

The fourth proportional to 9,321.06, 12,860.95 and 6,804.54 is: 9,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.06 : 12,860.95 = 6,804.54 : x
  2. Step 2: Convert to fraction form
    9,321.06/12,860.95 = 6,804.54/x
  3. Step 3: Cross multiply
    9,321.06x = 12,860.95 × 6,804.54
  4. Step 4: Simplify right side
    9,321.06x = 87,512,814.69
  5. Step 5: Solve for x
    x = 87,512,814.69/9,321.06
  6. Step 6: Final answer
    x = 9,388.72

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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.