Home / 12,415.37-18,623.03-8,734.05

Finding the Fourth Proportional to 12,415.37, 18,623.03 and 8,734.05

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Solution

The fourth proportional to 12,415.37, 18,623.03 and 8,734.05 is: 13,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.37 : 18,623.03 = 8,734.05 : x
  2. Step 2: Convert to fraction form
    12,415.37/18,623.03 = 8,734.05/x
  3. Step 3: Cross multiply
    12,415.37x = 18,623.03 × 8,734.05
  4. Step 4: Simplify right side
    12,415.37x = 162,654,431.50
  5. Step 5: Solve for x
    x = 162,654,431.50/12,415.37
  6. Step 6: Final answer
    x = 13,101.06

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Similar ratio
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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.