Home / 21,319.66-31,964.52-9,467.03

Finding the Fourth Proportional to 21,319.66, 31,964.52 and 9,467.03

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Solution

The fourth proportional to 21,319.66, 31,964.52 and 9,467.03 is: 14,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319.66 : 31,964.52 = 9,467.03 : x
  2. Step 2: Convert to fraction form
    21,319.66/31,964.52 = 9,467.03/x
  3. Step 3: Cross multiply
    21,319.66x = 31,964.52 × 9,467.03
  4. Step 4: Simplify right side
    21,319.66x = 302,609,005.39
  5. Step 5: Solve for x
    x = 302,609,005.39/21,319.66
  6. Step 6: Final answer
    x = 14,193.90

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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.