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Finding the Fourth Proportional to 13,214.84, 18,236.94 and 7,246.52

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Solution

The fourth proportional to 13,214.84, 18,236.94 and 7,246.52 is: 10,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.84 : 18,236.94 = 7,246.52 : x
  2. Step 2: Convert to fraction form
    13,214.84/18,236.94 = 7,246.52/x
  3. Step 3: Cross multiply
    13,214.84x = 18,236.94 × 7,246.52
  4. Step 4: Simplify right side
    13,214.84x = 132,154,350.45
  5. Step 5: Solve for x
    x = 132,154,350.45/13,214.84
  6. Step 6: Final answer
    x = 10,000.45

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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.