Home / 13,623.69-20,435.75-4,263.33

Finding the Fourth Proportional to 13,623.69, 20,435.75 and 4,263.33

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Solution

The fourth proportional to 13,623.69, 20,435.75 and 4,263.33 is: 6,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.69 : 20,435.75 = 4,263.33 : x
  2. Step 2: Convert to fraction form
    13,623.69/20,435.75 = 4,263.33/x
  3. Step 3: Cross multiply
    13,623.69x = 20,435.75 × 4,263.33
  4. Step 4: Simplify right side
    13,623.69x = 87,124,324.73
  5. Step 5: Solve for x
    x = 87,124,324.73/13,623.69
  6. Step 6: Final answer
    x = 6,395.06

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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.