Home / 13,682.72-20,526.96-4,448

Finding the Fourth Proportional to 13,682.72, 20,526.96 and 4,448

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Solution

The fourth proportional to 13,682.72, 20,526.96 and 4,448 is: 6,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.72 : 20,526.96 = 4,448 : x
  2. Step 2: Convert to fraction form
    13,682.72/20,526.96 = 4,448/x
  3. Step 3: Cross multiply
    13,682.72x = 20,526.96 × 4,448
  4. Step 4: Simplify right side
    13,682.72x = 91,303,918.08
  5. Step 5: Solve for x
    x = 91,303,918.08/13,682.72
  6. Step 6: Final answer
    x = 6,672.94

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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.