Home / 16,021.45-22,112.29-9,310.95

Finding the Fourth Proportional to 16,021.45, 22,112.29 and 9,310.95

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Solution

The fourth proportional to 16,021.45, 22,112.29 and 9,310.95 is: 12,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.45 : 22,112.29 = 9,310.95 : x
  2. Step 2: Convert to fraction form
    16,021.45/22,112.29 = 9,310.95/x
  3. Step 3: Cross multiply
    16,021.45x = 22,112.29 × 9,310.95
  4. Step 4: Simplify right side
    16,021.45x = 205,886,426.58
  5. Step 5: Solve for x
    x = 205,886,426.58/16,021.45
  6. Step 6: Final answer
    x = 12,850.67

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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.