Home / 13,452.13-20,181.43-4,218.13

Finding the Fourth Proportional to 13,452.13, 20,181.43 and 4,218.13

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Solution

The fourth proportional to 13,452.13, 20,181.43 and 4,218.13 is: 6,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.13 : 20,181.43 = 4,218.13 : x
  2. Step 2: Convert to fraction form
    13,452.13/20,181.43 = 4,218.13/x
  3. Step 3: Cross multiply
    13,452.13x = 20,181.43 × 4,218.13
  4. Step 4: Simplify right side
    13,452.13x = 85,127,895.33
  5. Step 5: Solve for x
    x = 85,127,895.33/13,452.13
  6. Step 6: Final answer
    x = 6,328.21

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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.