Home / 10,018.86-13,821.66-5,768.88

Finding the Fourth Proportional to 10,018.86, 13,821.66 and 5,768.88

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Solution

The fourth proportional to 10,018.86, 13,821.66 and 5,768.88 is: 7,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.86 : 13,821.66 = 5,768.88 : x
  2. Step 2: Convert to fraction form
    10,018.86/13,821.66 = 5,768.88/x
  3. Step 3: Cross multiply
    10,018.86x = 13,821.66 × 5,768.88
  4. Step 4: Simplify right side
    10,018.86x = 79,735,497.94
  5. Step 5: Solve for x
    x = 79,735,497.94/10,018.86
  6. Step 6: Final answer
    x = 7,958.54

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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.