Home / 9,879.88-13,634.58-6,525.64

Finding the Fourth Proportional to 9,879.88, 13,634.58 and 6,525.64

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Solution

The fourth proportional to 9,879.88, 13,634.58 and 6,525.64 is: 9,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.88 : 13,634.58 = 6,525.64 : x
  2. Step 2: Convert to fraction form
    9,879.88/13,634.58 = 6,525.64/x
  3. Step 3: Cross multiply
    9,879.88x = 13,634.58 × 6,525.64
  4. Step 4: Simplify right side
    9,879.88x = 88,974,360.63
  5. Step 5: Solve for x
    x = 88,974,360.63/9,879.88
  6. Step 6: Final answer
    x = 9,005.61

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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.