Home / 8,531.36-11,763.60-6,954.56

Finding the Fourth Proportional to 8,531.36, 11,763.60 and 6,954.56

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Solution

The fourth proportional to 8,531.36, 11,763.60 and 6,954.56 is: 9,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.36 : 11,763.60 = 6,954.56 : x
  2. Step 2: Convert to fraction form
    8,531.36/11,763.60 = 6,954.56/x
  3. Step 3: Cross multiply
    8,531.36x = 11,763.60 × 6,954.56
  4. Step 4: Simplify right side
    8,531.36x = 81,810,662.02
  5. Step 5: Solve for x
    x = 81,810,662.02/8,531.36
  6. Step 6: Final answer
    x = 9,589.40

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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.