Home / 21,735.32-32,609.48-12,494.84

Finding the Fourth Proportional to 21,735.32, 32,609.48 and 12,494.84

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Solution

The fourth proportional to 21,735.32, 32,609.48 and 12,494.84 is: 18,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.32 : 32,609.48 = 12,494.84 : x
  2. Step 2: Convert to fraction form
    21,735.32/32,609.48 = 12,494.84/x
  3. Step 3: Cross multiply
    21,735.32x = 32,609.48 × 12,494.84
  4. Step 4: Simplify right side
    21,735.32x = 407,450,009.56
  5. Step 5: Solve for x
    x = 407,450,009.56/21,735.32
  6. Step 6: Final answer
    x = 18,745.99

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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.