Home / 19,174.92-28,734.60-13,245.72

Finding the Fourth Proportional to 19,174.92, 28,734.60 and 13,245.72

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Solution

The fourth proportional to 19,174.92, 28,734.60 and 13,245.72 is: 19,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.92 : 28,734.60 = 13,245.72 : x
  2. Step 2: Convert to fraction form
    19,174.92/28,734.60 = 13,245.72/x
  3. Step 3: Cross multiply
    19,174.92x = 28,734.60 × 13,245.72
  4. Step 4: Simplify right side
    19,174.92x = 380,610,465.91
  5. Step 5: Solve for x
    x = 380,610,465.91/19,174.92
  6. Step 6: Final answer
    x = 19,849.39

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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.