Home / 13,827.69-20,738.73-3,964.32

Finding the Fourth Proportional to 13,827.69, 20,738.73 and 3,964.32

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Solution

The fourth proportional to 13,827.69, 20,738.73 and 3,964.32 is: 5,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.69 : 20,738.73 = 3,964.32 : x
  2. Step 2: Convert to fraction form
    13,827.69/20,738.73 = 3,964.32/x
  3. Step 3: Cross multiply
    13,827.69x = 20,738.73 × 3,964.32
  4. Step 4: Simplify right side
    13,827.69x = 82,214,962.11
  5. Step 5: Solve for x
    x = 82,214,962.11/13,827.69
  6. Step 6: Final answer
    x = 5,945.68

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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.