Home / 9,428.85-14,138.39-3,881.16

Finding the Fourth Proportional to 9,428.85, 14,138.39 and 3,881.16

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Solution

The fourth proportional to 9,428.85, 14,138.39 and 3,881.16 is: 5,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.85 : 14,138.39 = 3,881.16 : x
  2. Step 2: Convert to fraction form
    9,428.85/14,138.39 = 3,881.16/x
  3. Step 3: Cross multiply
    9,428.85x = 14,138.39 × 3,881.16
  4. Step 4: Simplify right side
    9,428.85x = 54,873,334.33
  5. Step 5: Solve for x
    x = 54,873,334.33/9,428.85
  6. Step 6: Final answer
    x = 5,819.73

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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.