Home / 9,645.36-13,310.48-5,453.60

Finding the Fourth Proportional to 9,645.36, 13,310.48 and 5,453.60

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Solution

The fourth proportional to 9,645.36, 13,310.48 and 5,453.60 is: 7,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.36 : 13,310.48 = 5,453.60 : x
  2. Step 2: Convert to fraction form
    9,645.36/13,310.48 = 5,453.60/x
  3. Step 3: Cross multiply
    9,645.36x = 13,310.48 × 5,453.60
  4. Step 4: Simplify right side
    9,645.36x = 72,590,033.73
  5. Step 5: Solve for x
    x = 72,590,033.73/9,645.36
  6. Step 6: Final answer
    x = 7,525.90

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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.