Home / 10,718.76-16,078.29-3,323.19

Finding the Fourth Proportional to 10,718.76, 16,078.29 and 3,323.19

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Solution

The fourth proportional to 10,718.76, 16,078.29 and 3,323.19 is: 4,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.76 : 16,078.29 = 3,323.19 : x
  2. Step 2: Convert to fraction form
    10,718.76/16,078.29 = 3,323.19/x
  3. Step 3: Cross multiply
    10,718.76x = 16,078.29 × 3,323.19
  4. Step 4: Simplify right side
    10,718.76x = 53,431,212.55
  5. Step 5: Solve for x
    x = 53,431,212.55/10,718.76
  6. Step 6: Final answer
    x = 4,984.83

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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.