Home / 12,228.75-18,343.17-2,994.75

Finding the Fourth Proportional to 12,228.75, 18,343.17 and 2,994.75

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Solution

The fourth proportional to 12,228.75, 18,343.17 and 2,994.75 is: 4,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.75 : 18,343.17 = 2,994.75 : x
  2. Step 2: Convert to fraction form
    12,228.75/18,343.17 = 2,994.75/x
  3. Step 3: Cross multiply
    12,228.75x = 18,343.17 × 2,994.75
  4. Step 4: Simplify right side
    12,228.75x = 54,933,208.36
  5. Step 5: Solve for x
    x = 54,933,208.36/12,228.75
  6. Step 6: Final answer
    x = 4,492.14

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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.