Home / 9,883.24-13,566.24-8,739.12

Finding the Fourth Proportional to 9,883.24, 13,566.24 and 8,739.12

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Solution

The fourth proportional to 9,883.24, 13,566.24 and 8,739.12 is: 11,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.24 : 13,566.24 = 8,739.12 : x
  2. Step 2: Convert to fraction form
    9,883.24/13,566.24 = 8,739.12/x
  3. Step 3: Cross multiply
    9,883.24x = 13,566.24 × 8,739.12
  4. Step 4: Simplify right side
    9,883.24x = 118,556,999.31
  5. Step 5: Solve for x
    x = 118,556,999.31/9,883.24
  6. Step 6: Final answer
    x = 11,995.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.