Home / 12,073.21-18,107.05-3,308.81

Finding the Fourth Proportional to 12,073.21, 18,107.05 and 3,308.81

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Solution

The fourth proportional to 12,073.21, 18,107.05 and 3,308.81 is: 4,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.21 : 18,107.05 = 3,308.81 : x
  2. Step 2: Convert to fraction form
    12,073.21/18,107.05 = 3,308.81/x
  3. Step 3: Cross multiply
    12,073.21x = 18,107.05 × 3,308.81
  4. Step 4: Simplify right side
    12,073.21x = 59,912,788.11
  5. Step 5: Solve for x
    x = 59,912,788.11/12,073.21
  6. Step 6: Final answer
    x = 4,962.46

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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.