Home / 11,610.61-17,415.92-4,680.25

Finding the Fourth Proportional to 11,610.61, 17,415.92 and 4,680.25

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Solution

The fourth proportional to 11,610.61, 17,415.92 and 4,680.25 is: 7,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.61 : 17,415.92 = 4,680.25 : x
  2. Step 2: Convert to fraction form
    11,610.61/17,415.92 = 4,680.25/x
  3. Step 3: Cross multiply
    11,610.61x = 17,415.92 × 4,680.25
  4. Step 4: Simplify right side
    11,610.61x = 81,510,859.58
  5. Step 5: Solve for x
    x = 81,510,859.58/11,610.61
  6. Step 6: Final answer
    x = 7,020.38

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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.