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Finding the Fourth Proportional to 9,968.72, 13,757.02 and 5,492.45

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Solution

The fourth proportional to 9,968.72, 13,757.02 and 5,492.45 is: 7,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.72 : 13,757.02 = 5,492.45 : x
  2. Step 2: Convert to fraction form
    9,968.72/13,757.02 = 5,492.45/x
  3. Step 3: Cross multiply
    9,968.72x = 13,757.02 × 5,492.45
  4. Step 4: Simplify right side
    9,968.72x = 75,559,648.25
  5. Step 5: Solve for x
    x = 75,559,648.25/9,968.72
  6. Step 6: Final answer
    x = 7,579.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.