Home / 9,245.07-12,721.23-8,986.68

Finding the Fourth Proportional to 9,245.07, 12,721.23 and 8,986.68

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Solution

The fourth proportional to 9,245.07, 12,721.23 and 8,986.68 is: 12,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.07 : 12,721.23 = 8,986.68 : x
  2. Step 2: Convert to fraction form
    9,245.07/12,721.23 = 8,986.68/x
  3. Step 3: Cross multiply
    9,245.07x = 12,721.23 × 8,986.68
  4. Step 4: Simplify right side
    9,245.07x = 114,321,623.22
  5. Step 5: Solve for x
    x = 114,321,623.22/9,245.07
  6. Step 6: Final answer
    x = 12,365.68

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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.