Home / 11,415.13-17,130.35-4,019.56

Finding the Fourth Proportional to 11,415.13, 17,130.35 and 4,019.56

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Solution

The fourth proportional to 11,415.13, 17,130.35 and 4,019.56 is: 6,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.13 : 17,130.35 = 4,019.56 : x
  2. Step 2: Convert to fraction form
    11,415.13/17,130.35 = 4,019.56/x
  3. Step 3: Cross multiply
    11,415.13x = 17,130.35 × 4,019.56
  4. Step 4: Simplify right side
    11,415.13x = 68,856,436.87
  5. Step 5: Solve for x
    x = 68,856,436.87/11,415.13
  6. Step 6: Final answer
    x = 6,032.03

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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.