Home / 9,114.21-13,673.14-2,874.80

Finding the Fourth Proportional to 9,114.21, 13,673.14 and 2,874.80

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Solution

The fourth proportional to 9,114.21, 13,673.14 and 2,874.80 is: 4,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.21 : 13,673.14 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    9,114.21/13,673.14 = 2,874.80/x
  3. Step 3: Cross multiply
    9,114.21x = 13,673.14 × 2,874.80
  4. Step 4: Simplify right side
    9,114.21x = 39,307,542.87
  5. Step 5: Solve for x
    x = 39,307,542.87/9,114.21
  6. Step 6: Final answer
    x = 4,312.78

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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.