Home / 11,889.36-17,824.32-4,968.72

Finding the Fourth Proportional to 11,889.36, 17,824.32 and 4,968.72

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Solution

The fourth proportional to 11,889.36, 17,824.32 and 4,968.72 is: 7,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.36 : 17,824.32 = 4,968.72 : x
  2. Step 2: Convert to fraction form
    11,889.36/17,824.32 = 4,968.72/x
  3. Step 3: Cross multiply
    11,889.36x = 17,824.32 × 4,968.72
  4. Step 4: Simplify right side
    11,889.36x = 88,564,055.27
  5. Step 5: Solve for x
    x = 88,564,055.27/11,889.36
  6. Step 6: Final answer
    x = 7,449.02

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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.