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Finding the Fourth Proportional to 13,452, 20,207.19 and 11,376.17

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Solution

The fourth proportional to 13,452, 20,207.19 and 11,376.17 is: 17,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452 : 20,207.19 = 11,376.17 : x
  2. Step 2: Convert to fraction form
    13,452/20,207.19 = 11,376.17/x
  3. Step 3: Cross multiply
    13,452x = 20,207.19 × 11,376.17
  4. Step 4: Simplify right side
    13,452x = 229,880,428.66
  5. Step 5: Solve for x
    x = 229,880,428.66/13,452
  6. Step 6: Final answer
    x = 17,088.94

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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.