Home / 21,745.33-32,630.96-7,895.41

Finding the Fourth Proportional to 21,745.33, 32,630.96 and 7,895.41

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Solution

The fourth proportional to 21,745.33, 32,630.96 and 7,895.41 is: 11,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.33 : 32,630.96 = 7,895.41 : x
  2. Step 2: Convert to fraction form
    21,745.33/32,630.96 = 7,895.41/x
  3. Step 3: Cross multiply
    21,745.33x = 32,630.96 × 7,895.41
  4. Step 4: Simplify right side
    21,745.33x = 257,634,768.42
  5. Step 5: Solve for x
    x = 257,634,768.42/21,745.33
  6. Step 6: Final answer
    x = 11,847.82

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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.