Home / 12,272.28-18,408.33-3,038.28

Finding the Fourth Proportional to 12,272.28, 18,408.33 and 3,038.28

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Solution

The fourth proportional to 12,272.28, 18,408.33 and 3,038.28 is: 4,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.28 : 18,408.33 = 3,038.28 : x
  2. Step 2: Convert to fraction form
    12,272.28/18,408.33 = 3,038.28/x
  3. Step 3: Cross multiply
    12,272.28x = 18,408.33 × 3,038.28
  4. Step 4: Simplify right side
    12,272.28x = 55,929,660.87
  5. Step 5: Solve for x
    x = 55,929,660.87/12,272.28
  6. Step 6: Final answer
    x = 4,557.40

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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.