Home / 12,806.74-19,218.76-4,486.82

Finding the Fourth Proportional to 12,806.74, 19,218.76 and 4,486.82

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Solution

The fourth proportional to 12,806.74, 19,218.76 and 4,486.82 is: 6,733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.74 : 19,218.76 = 4,486.82 : x
  2. Step 2: Convert to fraction form
    12,806.74/19,218.76 = 4,486.82/x
  3. Step 3: Cross multiply
    12,806.74x = 19,218.76 × 4,486.82
  4. Step 4: Simplify right side
    12,806.74x = 86,231,116.74
  5. Step 5: Solve for x
    x = 86,231,116.74/12,806.74
  6. Step 6: Final answer
    x = 6,733.26

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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.