Home / 12,452.48-18,672.37-4,129.53

Finding the Fourth Proportional to 12,452.48, 18,672.37 and 4,129.53

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Solution

The fourth proportional to 12,452.48, 18,672.37 and 4,129.53 is: 6,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.48 : 18,672.37 = 4,129.53 : x
  2. Step 2: Convert to fraction form
    12,452.48/18,672.37 = 4,129.53/x
  3. Step 3: Cross multiply
    12,452.48x = 18,672.37 × 4,129.53
  4. Step 4: Simplify right side
    12,452.48x = 77,108,160.00
  5. Step 5: Solve for x
    x = 77,108,160.00/12,452.48
  6. Step 6: Final answer
    x = 6,192.19

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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.