Home / 9,716.48-13,409.88-5,525.36

Finding the Fourth Proportional to 9,716.48, 13,409.88 and 5,525.36

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Solution

The fourth proportional to 9,716.48, 13,409.88 and 5,525.36 is: 7,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,716.48 : 13,409.88 = 5,525.36 : x
  2. Step 2: Convert to fraction form
    9,716.48/13,409.88 = 5,525.36/x
  3. Step 3: Cross multiply
    9,716.48x = 13,409.88 × 5,525.36
  4. Step 4: Simplify right side
    9,716.48x = 74,094,414.56
  5. Step 5: Solve for x
    x = 74,094,414.56/9,716.48
  6. Step 6: Final answer
    x = 7,625.64

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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.