Home / 23,415.09-35,138.42-8,635.83

Finding the Fourth Proportional to 23,415.09, 35,138.42 and 8,635.83

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Solution

The fourth proportional to 23,415.09, 35,138.42 and 8,635.83 is: 12,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.09 : 35,138.42 = 8,635.83 : x
  2. Step 2: Convert to fraction form
    23,415.09/35,138.42 = 8,635.83/x
  3. Step 3: Cross multiply
    23,415.09x = 35,138.42 × 8,635.83
  4. Step 4: Simplify right side
    23,415.09x = 303,449,421.59
  5. Step 5: Solve for x
    x = 303,449,421.59/23,415.09
  6. Step 6: Final answer
    x = 12,959.57

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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.