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Finding the Fourth Proportional to 13,302.54, 19,957.05 and 4,068.54

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Solution

The fourth proportional to 13,302.54, 19,957.05 and 4,068.54 is: 6,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.54 : 19,957.05 = 4,068.54 : x
  2. Step 2: Convert to fraction form
    13,302.54/19,957.05 = 4,068.54/x
  3. Step 3: Cross multiply
    13,302.54x = 19,957.05 × 4,068.54
  4. Step 4: Simplify right side
    13,302.54x = 81,196,056.21
  5. Step 5: Solve for x
    x = 81,196,056.21/13,302.54
  6. Step 6: Final answer
    x = 6,103.80

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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.