Home / 14,190.22-21,265.39-11,215.58

Finding the Fourth Proportional to 14,190.22, 21,265.39 and 11,215.58

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Solution

The fourth proportional to 14,190.22, 21,265.39 and 11,215.58 is: 16,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.22 : 21,265.39 = 11,215.58 : x
  2. Step 2: Convert to fraction form
    14,190.22/21,265.39 = 11,215.58/x
  3. Step 3: Cross multiply
    14,190.22x = 21,265.39 × 11,215.58
  4. Step 4: Simplify right side
    14,190.22x = 238,503,654.74
  5. Step 5: Solve for x
    x = 238,503,654.74/14,190.22
  6. Step 6: Final answer
    x = 16,807.61

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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.