Home / 10,214.05-15,313.87-3,968.86

Finding the Fourth Proportional to 10,214.05, 15,313.87 and 3,968.86

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Solution

The fourth proportional to 10,214.05, 15,313.87 and 3,968.86 is: 5,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.05 : 15,313.87 = 3,968.86 : x
  2. Step 2: Convert to fraction form
    10,214.05/15,313.87 = 3,968.86/x
  3. Step 3: Cross multiply
    10,214.05x = 15,313.87 × 3,968.86
  4. Step 4: Simplify right side
    10,214.05x = 60,778,606.09
  5. Step 5: Solve for x
    x = 60,778,606.09/10,214.05
  6. Step 6: Final answer
    x = 5,950.49

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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.