Home / 9,645.08-13,310.34-5,453.42

Finding the Fourth Proportional to 9,645.08, 13,310.34 and 5,453.42

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Solution

The fourth proportional to 9,645.08, 13,310.34 and 5,453.42 is: 7,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.08 : 13,310.34 = 5,453.42 : x
  2. Step 2: Convert to fraction form
    9,645.08/13,310.34 = 5,453.42/x
  3. Step 3: Cross multiply
    9,645.08x = 13,310.34 × 5,453.42
  4. Step 4: Simplify right side
    9,645.08x = 72,586,874.36
  5. Step 5: Solve for x
    x = 72,586,874.36/9,645.08
  6. Step 6: Final answer
    x = 7,525.79

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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.