Home / 9,231.36-13,828.48-6,771.20

Finding the Fourth Proportional to 9,231.36, 13,828.48 and 6,771.20

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Solution

The fourth proportional to 9,231.36, 13,828.48 and 6,771.20 is: 10,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.36 : 13,828.48 = 6,771.20 : x
  2. Step 2: Convert to fraction form
    9,231.36/13,828.48 = 6,771.20/x
  3. Step 3: Cross multiply
    9,231.36x = 13,828.48 × 6,771.20
  4. Step 4: Simplify right side
    9,231.36x = 93,635,403.78
  5. Step 5: Solve for x
    x = 93,635,403.78/9,231.36
  6. Step 6: Final answer
    x = 10,143.19

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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.