Home / 13,012.68-19,514.76-4,245.48

Finding the Fourth Proportional to 13,012.68, 19,514.76 and 4,245.48

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Solution

The fourth proportional to 13,012.68, 19,514.76 and 4,245.48 is: 6,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.68 : 19,514.76 = 4,245.48 : x
  2. Step 2: Convert to fraction form
    13,012.68/19,514.76 = 4,245.48/x
  3. Step 3: Cross multiply
    13,012.68x = 19,514.76 × 4,245.48
  4. Step 4: Simplify right side
    13,012.68x = 82,849,523.28
  5. Step 5: Solve for x
    x = 82,849,523.28/13,012.68
  6. Step 6: Final answer
    x = 6,366.83

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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.