Home / 12,267.83-18,401.75-3,948.50

Finding the Fourth Proportional to 12,267.83, 18,401.75 and 3,948.50

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Solution

The fourth proportional to 12,267.83, 18,401.75 and 3,948.50 is: 5,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.83 : 18,401.75 = 3,948.50 : x
  2. Step 2: Convert to fraction form
    12,267.83/18,401.75 = 3,948.50/x
  3. Step 3: Cross multiply
    12,267.83x = 18,401.75 × 3,948.50
  4. Step 4: Simplify right side
    12,267.83x = 72,659,296.74
  5. Step 5: Solve for x
    x = 72,659,296.74/12,267.83
  6. Step 6: Final answer
    x = 5,922.75

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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.