Home / 12,515.07-18,773.23-3,749.15

Finding the Fourth Proportional to 12,515.07, 18,773.23 and 3,749.15

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Solution

The fourth proportional to 12,515.07, 18,773.23 and 3,749.15 is: 5,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.07 : 18,773.23 = 3,749.15 : x
  2. Step 2: Convert to fraction form
    12,515.07/18,773.23 = 3,749.15/x
  3. Step 3: Cross multiply
    12,515.07x = 18,773.23 × 3,749.15
  4. Step 4: Simplify right side
    12,515.07x = 70,383,655.25
  5. Step 5: Solve for x
    x = 70,383,655.25/12,515.07
  6. Step 6: Final answer
    x = 5,623.91

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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.