Home / 12,351.64-18,523.32-4,954.20

Finding the Fourth Proportional to 12,351.64, 18,523.32 and 4,954.20

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Solution

The fourth proportional to 12,351.64, 18,523.32 and 4,954.20 is: 7,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.64 : 18,523.32 = 4,954.20 : x
  2. Step 2: Convert to fraction form
    12,351.64/18,523.32 = 4,954.20/x
  3. Step 3: Cross multiply
    12,351.64x = 18,523.32 × 4,954.20
  4. Step 4: Simplify right side
    12,351.64x = 91,768,231.94
  5. Step 5: Solve for x
    x = 91,768,231.94/12,351.64
  6. Step 6: Final answer
    x = 7,429.64

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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.