Home / 19,042.66-28,514.79-13,137.76

Finding the Fourth Proportional to 19,042.66, 28,514.79 and 13,137.76

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Solution

The fourth proportional to 19,042.66, 28,514.79 and 13,137.76 is: 19,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.66 : 28,514.79 = 13,137.76 : x
  2. Step 2: Convert to fraction form
    19,042.66/28,514.79 = 13,137.76/x
  3. Step 3: Cross multiply
    19,042.66x = 28,514.79 × 13,137.76
  4. Step 4: Simplify right side
    19,042.66x = 374,620,467.47
  5. Step 5: Solve for x
    x = 374,620,467.47/19,042.66
  6. Step 6: Final answer
    x = 19,672.70

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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.