Home / 21,745.16-32,621.84-12,395.73

Finding the Fourth Proportional to 21,745.16, 32,621.84 and 12,395.73

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Solution

The fourth proportional to 21,745.16, 32,621.84 and 12,395.73 is: 18,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.16 : 32,621.84 = 12,395.73 : x
  2. Step 2: Convert to fraction form
    21,745.16/32,621.84 = 12,395.73/x
  3. Step 3: Cross multiply
    21,745.16x = 32,621.84 × 12,395.73
  4. Step 4: Simplify right side
    21,745.16x = 404,371,627.58
  5. Step 5: Solve for x
    x = 404,371,627.58/21,745.16
  6. Step 6: Final answer
    x = 18,595.94

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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.