Home / 16,222.09-22,386.49-8,770.09

Finding the Fourth Proportional to 16,222.09, 22,386.49 and 8,770.09

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Solution

The fourth proportional to 16,222.09, 22,386.49 and 8,770.09 is: 12,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.09 : 22,386.49 = 8,770.09 : x
  2. Step 2: Convert to fraction form
    16,222.09/22,386.49 = 8,770.09/x
  3. Step 3: Cross multiply
    16,222.09x = 22,386.49 × 8,770.09
  4. Step 4: Simplify right side
    16,222.09x = 196,331,532.08
  5. Step 5: Solve for x
    x = 196,331,532.08/16,222.09
  6. Step 6: Final answer
    x = 12,102.73

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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.