Home / 22,210.56-33,310.98-12,830.76

Finding the Fourth Proportional to 22,210.56, 33,310.98 and 12,830.76

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Solution

The fourth proportional to 22,210.56, 33,310.98 and 12,830.76 is: 19,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.56 : 33,310.98 = 12,830.76 : x
  2. Step 2: Convert to fraction form
    22,210.56/33,310.98 = 12,830.76/x
  3. Step 3: Cross multiply
    22,210.56x = 33,310.98 × 12,830.76
  4. Step 4: Simplify right side
    22,210.56x = 427,405,189.74
  5. Step 5: Solve for x
    x = 427,405,189.74/22,210.56
  6. Step 6: Final answer
    x = 19,243.33

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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.