Home / 10,144.62-13,997.70-5,668.20

Finding the Fourth Proportional to 10,144.62, 13,997.70 and 5,668.20

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Solution

The fourth proportional to 10,144.62, 13,997.70 and 5,668.20 is: 7,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.62 : 13,997.70 = 5,668.20 : x
  2. Step 2: Convert to fraction form
    10,144.62/13,997.70 = 5,668.20/x
  3. Step 3: Cross multiply
    10,144.62x = 13,997.70 × 5,668.20
  4. Step 4: Simplify right side
    10,144.62x = 79,341,763.14
  5. Step 5: Solve for x
    x = 79,341,763.14/10,144.62
  6. Step 6: Final answer
    x = 7,821.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.