Home / 9,122.18-13,673.73-5,168.48

Finding the Fourth Proportional to 9,122.18, 13,673.73 and 5,168.48

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Solution

The fourth proportional to 9,122.18, 13,673.73 and 5,168.48 is: 7,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.18 : 13,673.73 = 5,168.48 : x
  2. Step 2: Convert to fraction form
    9,122.18/13,673.73 = 5,168.48/x
  3. Step 3: Cross multiply
    9,122.18x = 13,673.73 × 5,168.48
  4. Step 4: Simplify right side
    9,122.18x = 70,672,400.03
  5. Step 5: Solve for x
    x = 70,672,400.03/9,122.18
  6. Step 6: Final answer
    x = 7,747.31

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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.