Home / 12,515.03-18,773.55-4,195.11

Finding the Fourth Proportional to 12,515.03, 18,773.55 and 4,195.11

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Solution

The fourth proportional to 12,515.03, 18,773.55 and 4,195.11 is: 6,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.03 : 18,773.55 = 4,195.11 : x
  2. Step 2: Convert to fraction form
    12,515.03/18,773.55 = 4,195.11/x
  3. Step 3: Cross multiply
    12,515.03x = 18,773.55 × 4,195.11
  4. Step 4: Simplify right side
    12,515.03x = 78,757,107.34
  5. Step 5: Solve for x
    x = 78,757,107.34/12,515.03
  6. Step 6: Final answer
    x = 6,293.00

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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.