Home / 12,734.55-19,101.83-12,370.05

Finding the Fourth Proportional to 12,734.55, 19,101.83 and 12,370.05

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Solution

The fourth proportional to 12,734.55, 19,101.83 and 12,370.05 is: 18,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.55 : 19,101.83 = 12,370.05 : x
  2. Step 2: Convert to fraction form
    12,734.55/19,101.83 = 12,370.05/x
  3. Step 3: Cross multiply
    12,734.55x = 19,101.83 × 12,370.05
  4. Step 4: Simplify right side
    12,734.55x = 236,290,530.34
  5. Step 5: Solve for x
    x = 236,290,530.34/12,734.55
  6. Step 6: Final answer
    x = 18,555.08

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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.