Home / 9,012.36-13,523.30-6,396.78

Finding the Fourth Proportional to 9,012.36, 13,523.30 and 6,396.78

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Solution

The fourth proportional to 9,012.36, 13,523.30 and 6,396.78 is: 9,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.36 : 13,523.30 = 6,396.78 : x
  2. Step 2: Convert to fraction form
    9,012.36/13,523.30 = 6,396.78/x
  3. Step 3: Cross multiply
    9,012.36x = 13,523.30 × 6,396.78
  4. Step 4: Simplify right side
    9,012.36x = 86,505,574.97
  5. Step 5: Solve for x
    x = 86,505,574.97/9,012.36
  6. Step 6: Final answer
    x = 9,598.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.