Home / 9,138.18-13,707.27-5,234.25

Finding the Fourth Proportional to 9,138.18, 13,707.27 and 5,234.25

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Solution

The fourth proportional to 9,138.18, 13,707.27 and 5,234.25 is: 7,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.18 : 13,707.27 = 5,234.25 : x
  2. Step 2: Convert to fraction form
    9,138.18/13,707.27 = 5,234.25/x
  3. Step 3: Cross multiply
    9,138.18x = 13,707.27 × 5,234.25
  4. Step 4: Simplify right side
    9,138.18x = 71,747,278.00
  5. Step 5: Solve for x
    x = 71,747,278.00/9,138.18
  6. Step 6: Final answer
    x = 7,851.38

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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.