Home / 13,214.82-19,807.86-6,190.45

Finding the Fourth Proportional to 13,214.82, 19,807.86 and 6,190.45

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Solution

The fourth proportional to 13,214.82, 19,807.86 and 6,190.45 is: 9,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.82 : 19,807.86 = 6,190.45 : x
  2. Step 2: Convert to fraction form
    13,214.82/19,807.86 = 6,190.45/x
  3. Step 3: Cross multiply
    13,214.82x = 19,807.86 × 6,190.45
  4. Step 4: Simplify right side
    13,214.82x = 122,619,566.94
  5. Step 5: Solve for x
    x = 122,619,566.94/13,214.82
  6. Step 6: Final answer
    x = 9,278.94

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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.