Home / 19,759.35-29,638.87-8,064.37

Finding the Fourth Proportional to 19,759.35, 29,638.87 and 8,064.37

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Solution

The fourth proportional to 19,759.35, 29,638.87 and 8,064.37 is: 12,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.35 : 29,638.87 = 8,064.37 : x
  2. Step 2: Convert to fraction form
    19,759.35/29,638.87 = 8,064.37/x
  3. Step 3: Cross multiply
    19,759.35x = 29,638.87 × 8,064.37
  4. Step 4: Simplify right side
    19,759.35x = 239,018,625.55
  5. Step 5: Solve for x
    x = 239,018,625.55/19,759.35
  6. Step 6: Final answer
    x = 12,096.48

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1.5x scale

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.