Home / 11,621.84-17,427.30-4,224.32

Finding the Fourth Proportional to 11,621.84, 17,427.30 and 4,224.32

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Solution

The fourth proportional to 11,621.84, 17,427.30 and 4,224.32 is: 6,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.84 : 17,427.30 = 4,224.32 : x
  2. Step 2: Convert to fraction form
    11,621.84/17,427.30 = 4,224.32/x
  3. Step 3: Cross multiply
    11,621.84x = 17,427.30 × 4,224.32
  4. Step 4: Simplify right side
    11,621.84x = 73,618,491.94
  5. Step 5: Solve for x
    x = 73,618,491.94/11,621.84
  6. Step 6: Final answer
    x = 6,334.50

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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.