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Finding the Fourth Proportional to 12,852, 19,279.53 and 4,530.29

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Solution

The fourth proportional to 12,852, 19,279.53 and 4,530.29 is: 6,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852 : 19,279.53 = 4,530.29 : x
  2. Step 2: Convert to fraction form
    12,852/19,279.53 = 4,530.29/x
  3. Step 3: Cross multiply
    12,852x = 19,279.53 × 4,530.29
  4. Step 4: Simplify right side
    12,852x = 87,341,765.57
  5. Step 5: Solve for x
    x = 87,341,765.57/12,852
  6. Step 6: Final answer
    x = 6,795.97

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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.