Home / 16,647.44-24,988.32-12,989.72

Finding the Fourth Proportional to 16,647.44, 24,988.32 and 12,989.72

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Solution

The fourth proportional to 16,647.44, 24,988.32 and 12,989.72 is: 19,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647.44 : 24,988.32 = 12,989.72 : x
  2. Step 2: Convert to fraction form
    16,647.44/24,988.32 = 12,989.72/x
  3. Step 3: Cross multiply
    16,647.44x = 24,988.32 × 12,989.72
  4. Step 4: Simplify right side
    16,647.44x = 324,591,280.07
  5. Step 5: Solve for x
    x = 324,591,280.07/16,647.44
  6. Step 6: Final answer
    x = 19,497.97

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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.