Home / 21,745.07-32,610.42-8,411.88

Finding the Fourth Proportional to 21,745.07, 32,610.42 and 8,411.88

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Solution

The fourth proportional to 21,745.07, 32,610.42 and 8,411.88 is: 12,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.07 : 32,610.42 = 8,411.88 : x
  2. Step 2: Convert to fraction form
    21,745.07/32,610.42 = 8,411.88/x
  3. Step 3: Cross multiply
    21,745.07x = 32,610.42 × 8,411.88
  4. Step 4: Simplify right side
    21,745.07x = 274,314,939.79
  5. Step 5: Solve for x
    x = 274,314,939.79/21,745.07
  6. Step 6: Final answer
    x = 12,615.04

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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.