Home / 9,540.25-13,164.47-5,348.41

Finding the Fourth Proportional to 9,540.25, 13,164.47 and 5,348.41

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Solution

The fourth proportional to 9,540.25, 13,164.47 and 5,348.41 is: 7,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.25 : 13,164.47 = 5,348.41 : x
  2. Step 2: Convert to fraction form
    9,540.25/13,164.47 = 5,348.41/x
  3. Step 3: Cross multiply
    9,540.25x = 13,164.47 × 5,348.41
  4. Step 4: Simplify right side
    9,540.25x = 70,408,982.99
  5. Step 5: Solve for x
    x = 70,408,982.99/9,540.25
  6. Step 6: Final answer
    x = 7,380.20

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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.