Home / 13,214.82-19,783.80-11,377.74

Finding the Fourth Proportional to 13,214.82, 19,783.80 and 11,377.74

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Solution

The fourth proportional to 13,214.82, 19,783.80 and 11,377.74 is: 17,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.82 : 19,783.80 = 11,377.74 : x
  2. Step 2: Convert to fraction form
    13,214.82/19,783.80 = 11,377.74/x
  3. Step 3: Cross multiply
    13,214.82x = 19,783.80 × 11,377.74
  4. Step 4: Simplify right side
    13,214.82x = 225,094,932.61
  5. Step 5: Solve for x
    x = 225,094,932.61/13,214.82
  6. Step 6: Final answer
    x = 17,033.52

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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.