Home / 22,293.36-30,764.72-12,222.22

Finding the Fourth Proportional to 22,293.36, 30,764.72 and 12,222.22

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Solution

The fourth proportional to 22,293.36, 30,764.72 and 12,222.22 is: 16,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.36 : 30,764.72 = 12,222.22 : x
  2. Step 2: Convert to fraction form
    22,293.36/30,764.72 = 12,222.22/x
  3. Step 3: Cross multiply
    22,293.36x = 30,764.72 × 12,222.22
  4. Step 4: Simplify right side
    22,293.36x = 376,013,176.08
  5. Step 5: Solve for x
    x = 376,013,176.08/22,293.36
  6. Step 6: Final answer
    x = 16,866.60

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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.