Home / 12,148.19-18,224.10-3,827.33

Finding the Fourth Proportional to 12,148.19, 18,224.10 and 3,827.33

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Solution

The fourth proportional to 12,148.19, 18,224.10 and 3,827.33 is: 5,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.19 : 18,224.10 = 3,827.33 : x
  2. Step 2: Convert to fraction form
    12,148.19/18,224.10 = 3,827.33/x
  3. Step 3: Cross multiply
    12,148.19x = 18,224.10 × 3,827.33
  4. Step 4: Simplify right side
    12,148.19x = 69,749,644.65
  5. Step 5: Solve for x
    x = 69,749,644.65/12,148.19
  6. Step 6: Final answer
    x = 5,741.57

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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.