Home / 13,634.76-20,448.36-8,633.88

Finding the Fourth Proportional to 13,634.76, 20,448.36 and 8,633.88

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Solution

The fourth proportional to 13,634.76, 20,448.36 and 8,633.88 is: 12,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.76 : 20,448.36 = 8,633.88 : x
  2. Step 2: Convert to fraction form
    13,634.76/20,448.36 = 8,633.88/x
  3. Step 3: Cross multiply
    13,634.76x = 20,448.36 × 8,633.88
  4. Step 4: Simplify right side
    13,634.76x = 176,548,686.44
  5. Step 5: Solve for x
    x = 176,548,686.44/13,634.76
  6. Step 6: Final answer
    x = 12,948.43

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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.