Home / 12,788.31-19,181.93-4,468.34

Finding the Fourth Proportional to 12,788.31, 19,181.93 and 4,468.34

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Solution

The fourth proportional to 12,788.31, 19,181.93 and 4,468.34 is: 6,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.31 : 19,181.93 = 4,468.34 : x
  2. Step 2: Convert to fraction form
    12,788.31/19,181.93 = 4,468.34/x
  3. Step 3: Cross multiply
    12,788.31x = 19,181.93 × 4,468.34
  4. Step 4: Simplify right side
    12,788.31x = 85,711,266.84
  5. Step 5: Solve for x
    x = 85,711,266.84/12,788.31
  6. Step 6: Final answer
    x = 6,702.31

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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.