Home / 12,627.72-18,941.49-4,308.57

Finding the Fourth Proportional to 12,627.72, 18,941.49 and 4,308.57

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Solution

The fourth proportional to 12,627.72, 18,941.49 and 4,308.57 is: 6,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.72 : 18,941.49 = 4,308.57 : x
  2. Step 2: Convert to fraction form
    12,627.72/18,941.49 = 4,308.57/x
  3. Step 3: Cross multiply
    12,627.72x = 18,941.49 × 4,308.57
  4. Step 4: Simplify right side
    12,627.72x = 81,610,735.57
  5. Step 5: Solve for x
    x = 81,610,735.57/12,627.72
  6. Step 6: Final answer
    x = 6,462.82

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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.