Home / 8,954.24-12,361.28-6,960.32

Finding the Fourth Proportional to 8,954.24, 12,361.28 and 6,960.32

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Solution

The fourth proportional to 8,954.24, 12,361.28 and 6,960.32 is: 9,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.24 : 12,361.28 = 6,960.32 : x
  2. Step 2: Convert to fraction form
    8,954.24/12,361.28 = 6,960.32/x
  3. Step 3: Cross multiply
    8,954.24x = 12,361.28 × 6,960.32
  4. Step 4: Simplify right side
    8,954.24x = 86,038,464.41
  5. Step 5: Solve for x
    x = 86,038,464.41/8,954.24
  6. Step 6: Final answer
    x = 9,608.68

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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.