Home / 22,352.90-30,846.87-12,143.84

Finding the Fourth Proportional to 22,352.90, 30,846.87 and 12,143.84

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Solution

The fourth proportional to 22,352.90, 30,846.87 and 12,143.84 is: 16,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.90 : 30,846.87 = 12,143.84 : x
  2. Step 2: Convert to fraction form
    22,352.90/30,846.87 = 12,143.84/x
  3. Step 3: Cross multiply
    22,352.90x = 30,846.87 × 12,143.84
  4. Step 4: Simplify right side
    22,352.90x = 374,599,299.55
  5. Step 5: Solve for x
    x = 374,599,299.55/22,352.90
  6. Step 6: Final answer
    x = 16,758.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.