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Finding the Fourth Proportional to 9,360.31, 14,028.04 and 4,968.31

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Solution

The fourth proportional to 9,360.31, 14,028.04 and 4,968.31 is: 7,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.31 : 14,028.04 = 4,968.31 : x
  2. Step 2: Convert to fraction form
    9,360.31/14,028.04 = 4,968.31/x
  3. Step 3: Cross multiply
    9,360.31x = 14,028.04 × 4,968.31
  4. Step 4: Simplify right side
    9,360.31x = 69,695,651.41
  5. Step 5: Solve for x
    x = 69,695,651.41/9,360.31
  6. Step 6: Final answer
    x = 7,445.87

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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.