Home / 9,414.09-12,993.21-5,436.99

Finding the Fourth Proportional to 9,414.09, 12,993.21 and 5,436.99

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Solution

The fourth proportional to 9,414.09, 12,993.21 and 5,436.99 is: 7,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.09 : 12,993.21 = 5,436.99 : x
  2. Step 2: Convert to fraction form
    9,414.09/12,993.21 = 5,436.99/x
  3. Step 3: Cross multiply
    9,414.09x = 12,993.21 × 5,436.99
  4. Step 4: Simplify right side
    9,414.09x = 70,643,952.84
  5. Step 5: Solve for x
    x = 70,643,952.84/9,414.09
  6. Step 6: Final answer
    x = 7,504.07

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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.