Home / 9,611.88-14,419.60-3,039.72

Finding the Fourth Proportional to 9,611.88, 14,419.60 and 3,039.72

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Solution

The fourth proportional to 9,611.88, 14,419.60 and 3,039.72 is: 4,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.88 : 14,419.60 = 3,039.72 : x
  2. Step 2: Convert to fraction form
    9,611.88/14,419.60 = 3,039.72/x
  3. Step 3: Cross multiply
    9,611.88x = 14,419.60 × 3,039.72
  4. Step 4: Simplify right side
    9,611.88x = 43,831,546.51
  5. Step 5: Solve for x
    x = 43,831,546.51/9,611.88
  6. Step 6: Final answer
    x = 4,560.14

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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.