Home / 12,269.36-18,401.46-3,950.12

Finding the Fourth Proportional to 12,269.36, 18,401.46 and 3,950.12

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Solution

The fourth proportional to 12,269.36, 18,401.46 and 3,950.12 is: 5,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.36 : 18,401.46 = 3,950.12 : x
  2. Step 2: Convert to fraction form
    12,269.36/18,401.46 = 3,950.12/x
  3. Step 3: Cross multiply
    12,269.36x = 18,401.46 × 3,950.12
  4. Step 4: Simplify right side
    12,269.36x = 72,687,975.18
  5. Step 5: Solve for x
    x = 72,687,975.18/12,269.36
  6. Step 6: Final answer
    x = 5,924.35

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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.