Home / 11,621.07-17,426.16-4,220.37

Finding the Fourth Proportional to 11,621.07, 17,426.16 and 4,220.37

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Solution

The fourth proportional to 11,621.07, 17,426.16 and 4,220.37 is: 6,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.07 : 17,426.16 = 4,220.37 : x
  2. Step 2: Convert to fraction form
    11,621.07/17,426.16 = 4,220.37/x
  3. Step 3: Cross multiply
    11,621.07x = 17,426.16 × 4,220.37
  4. Step 4: Simplify right side
    11,621.07x = 73,544,842.88
  5. Step 5: Solve for x
    x = 73,544,842.88/11,621.07
  6. Step 6: Final answer
    x = 6,328.58

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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.