Home / 13,628.41-18,814.96-8,852.65

Finding the Fourth Proportional to 13,628.41, 18,814.96 and 8,852.65

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Solution

The fourth proportional to 13,628.41, 18,814.96 and 8,852.65 is: 12,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.41 : 18,814.96 = 8,852.65 : x
  2. Step 2: Convert to fraction form
    13,628.41/18,814.96 = 8,852.65/x
  3. Step 3: Cross multiply
    13,628.41x = 18,814.96 × 8,852.65
  4. Step 4: Simplify right side
    13,628.41x = 166,562,255.64
  5. Step 5: Solve for x
    x = 166,562,255.64/13,628.41
  6. Step 6: Final answer
    x = 12,221.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.