Home / 22,010.96-33,021.12-6,427.28

Finding the Fourth Proportional to 22,010.96, 33,021.12 and 6,427.28

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Solution

The fourth proportional to 22,010.96, 33,021.12 and 6,427.28 is: 9,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.96 : 33,021.12 = 6,427.28 : x
  2. Step 2: Convert to fraction form
    22,010.96/33,021.12 = 6,427.28/x
  3. Step 3: Cross multiply
    22,010.96x = 33,021.12 × 6,427.28
  4. Step 4: Simplify right side
    22,010.96x = 212,235,984.15
  5. Step 5: Solve for x
    x = 212,235,984.15/22,010.96
  6. Step 6: Final answer
    x = 9,642.29

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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.