Home / 9,255.24-13,912.97-7,426.40

Finding the Fourth Proportional to 9,255.24, 13,912.97 and 7,426.40

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Solution

The fourth proportional to 9,255.24, 13,912.97 and 7,426.40 is: 11,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.24 : 13,912.97 = 7,426.40 : x
  2. Step 2: Convert to fraction form
    9,255.24/13,912.97 = 7,426.40/x
  3. Step 3: Cross multiply
    9,255.24x = 13,912.97 × 7,426.40
  4. Step 4: Simplify right side
    9,255.24x = 103,323,173.71
  5. Step 5: Solve for x
    x = 103,323,173.71/9,255.24
  6. Step 6: Final answer
    x = 11,163.75

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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.