Home / 14,304.36-19,740-8,016.72

Finding the Fourth Proportional to 14,304.36, 19,740 and 8,016.72

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Solution

The fourth proportional to 14,304.36, 19,740 and 8,016.72 is: 11,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.36 : 19,740 = 8,016.72 : x
  2. Step 2: Convert to fraction form
    14,304.36/19,740 = 8,016.72/x
  3. Step 3: Cross multiply
    14,304.36x = 19,740 × 8,016.72
  4. Step 4: Simplify right side
    14,304.36x = 158,250,052.80
  5. Step 5: Solve for x
    x = 158,250,052.80/14,304.36
  6. Step 6: Final answer
    x = 11,063.06

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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.