Home / 12,586.44-18,864.30-6,734.28

Finding the Fourth Proportional to 12,586.44, 18,864.30 and 6,734.28

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Solution

The fourth proportional to 12,586.44, 18,864.30 and 6,734.28 is: 10,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.44 : 18,864.30 = 6,734.28 : x
  2. Step 2: Convert to fraction form
    12,586.44/18,864.30 = 6,734.28/x
  3. Step 3: Cross multiply
    12,586.44x = 18,864.30 × 6,734.28
  4. Step 4: Simplify right side
    12,586.44x = 127,037,478.20
  5. Step 5: Solve for x
    x = 127,037,478.20/12,586.44
  6. Step 6: Final answer
    x = 10,093.20

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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.