Home / 10,718.43-16,078.27-4,144.65

Finding the Fourth Proportional to 10,718.43, 16,078.27 and 4,144.65

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Solution

The fourth proportional to 10,718.43, 16,078.27 and 4,144.65 is: 6,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.43 : 16,078.27 = 4,144.65 : x
  2. Step 2: Convert to fraction form
    10,718.43/16,078.27 = 4,144.65/x
  3. Step 3: Cross multiply
    10,718.43x = 16,078.27 × 4,144.65
  4. Step 4: Simplify right side
    10,718.43x = 66,638,801.76
  5. Step 5: Solve for x
    x = 66,638,801.76/10,718.43
  6. Step 6: Final answer
    x = 6,217.22

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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.