Home / 11,361.55-15,679.21-6,326.11

Finding the Fourth Proportional to 11,361.55, 15,679.21 and 6,326.11

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Solution

The fourth proportional to 11,361.55, 15,679.21 and 6,326.11 is: 8,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.55 : 15,679.21 = 6,326.11 : x
  2. Step 2: Convert to fraction form
    11,361.55/15,679.21 = 6,326.11/x
  3. Step 3: Cross multiply
    11,361.55x = 15,679.21 × 6,326.11
  4. Step 4: Simplify right side
    11,361.55x = 99,188,356.67
  5. Step 5: Solve for x
    x = 99,188,356.67/11,361.55
  6. Step 6: Final answer
    x = 8,730.18

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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.