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Finding the Fourth Proportional to 13,841.64, 19,096.02 and 8,804.52

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Solution

The fourth proportional to 13,841.64, 19,096.02 and 8,804.52 is: 12,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.64 : 19,096.02 = 8,804.52 : x
  2. Step 2: Convert to fraction form
    13,841.64/19,096.02 = 8,804.52/x
  3. Step 3: Cross multiply
    13,841.64x = 19,096.02 × 8,804.52
  4. Step 4: Simplify right side
    13,841.64x = 168,131,290.01
  5. Step 5: Solve for x
    x = 168,131,290.01/13,841.64
  6. Step 6: Final answer
    x = 12,146.78

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1.5x scale

Why These Related Problems?

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