Home / 14,270.50-19,693.29-7,982.88

Finding the Fourth Proportional to 14,270.50, 19,693.29 and 7,982.88

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Solution

The fourth proportional to 14,270.50, 19,693.29 and 7,982.88 is: 11,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.50 : 19,693.29 = 7,982.88 : x
  2. Step 2: Convert to fraction form
    14,270.50/19,693.29 = 7,982.88/x
  3. Step 3: Cross multiply
    14,270.50x = 19,693.29 × 7,982.88
  4. Step 4: Simplify right side
    14,270.50x = 157,209,170.88
  5. Step 5: Solve for x
    x = 157,209,170.88/14,270.50
  6. Step 6: Final answer
    x = 11,016.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.