Home / 11,621.63-17,436.39-4,226.68

Finding the Fourth Proportional to 11,621.63, 17,436.39 and 4,226.68

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Solution

The fourth proportional to 11,621.63, 17,436.39 and 4,226.68 is: 6,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.63 : 17,436.39 = 4,226.68 : x
  2. Step 2: Convert to fraction form
    11,621.63/17,436.39 = 4,226.68/x
  3. Step 3: Cross multiply
    11,621.63x = 17,436.39 × 4,226.68
  4. Step 4: Simplify right side
    11,621.63x = 73,698,040.89
  5. Step 5: Solve for x
    x = 73,698,040.89/11,621.63
  6. Step 6: Final answer
    x = 6,341.45

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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.