Home / 10,722.57-16,081.95-4,143.33

Finding the Fourth Proportional to 10,722.57, 16,081.95 and 4,143.33

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Solution

The fourth proportional to 10,722.57, 16,081.95 and 4,143.33 is: 6,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.57 : 16,081.95 = 4,143.33 : x
  2. Step 2: Convert to fraction form
    10,722.57/16,081.95 = 4,143.33/x
  3. Step 3: Cross multiply
    10,722.57x = 16,081.95 × 4,143.33
  4. Step 4: Simplify right side
    10,722.57x = 66,632,825.89
  5. Step 5: Solve for x
    x = 66,632,825.89/10,722.57
  6. Step 6: Final answer
    x = 6,214.26

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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.