Home / 18,884.44-28,320.45-6,401.26

Finding the Fourth Proportional to 18,884.44, 28,320.45 and 6,401.26

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Solution

The fourth proportional to 18,884.44, 28,320.45 and 6,401.26 is: 9,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.44 : 28,320.45 = 6,401.26 : x
  2. Step 2: Convert to fraction form
    18,884.44/28,320.45 = 6,401.26/x
  3. Step 3: Cross multiply
    18,884.44x = 28,320.45 × 6,401.26
  4. Step 4: Simplify right side
    18,884.44x = 181,286,563.77
  5. Step 5: Solve for x
    x = 181,286,563.77/18,884.44
  6. Step 6: Final answer
    x = 9,599.78

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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.