Home / 12,393.05-18,588.74-3,627.23

Finding the Fourth Proportional to 12,393.05, 18,588.74 and 3,627.23

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Solution

The fourth proportional to 12,393.05, 18,588.74 and 3,627.23 is: 5,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.05 : 18,588.74 = 3,627.23 : x
  2. Step 2: Convert to fraction form
    12,393.05/18,588.74 = 3,627.23/x
  3. Step 3: Cross multiply
    12,393.05x = 18,588.74 × 3,627.23
  4. Step 4: Simplify right side
    12,393.05x = 67,425,524.31
  5. Step 5: Solve for x
    x = 67,425,524.31/12,393.05
  6. Step 6: Final answer
    x = 5,440.59

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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.