Home / 19,205.07-28,806.06-6,723.78

Finding the Fourth Proportional to 19,205.07, 28,806.06 and 6,723.78

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Solution

The fourth proportional to 19,205.07, 28,806.06 and 6,723.78 is: 10,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.07 : 28,806.06 = 6,723.78 : x
  2. Step 2: Convert to fraction form
    19,205.07/28,806.06 = 6,723.78/x
  3. Step 3: Cross multiply
    19,205.07x = 28,806.06 × 6,723.78
  4. Step 4: Simplify right side
    19,205.07x = 193,685,610.11
  5. Step 5: Solve for x
    x = 193,685,610.11/19,205.07
  6. Step 6: Final answer
    x = 10,085.13

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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.