Home / 21,283.19-31,929.48-6,493.25

Finding the Fourth Proportional to 21,283.19, 31,929.48 and 6,493.25

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Solution

The fourth proportional to 21,283.19, 31,929.48 and 6,493.25 is: 9,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.19 : 31,929.48 = 6,493.25 : x
  2. Step 2: Convert to fraction form
    21,283.19/31,929.48 = 6,493.25/x
  3. Step 3: Cross multiply
    21,283.19x = 31,929.48 × 6,493.25
  4. Step 4: Simplify right side
    21,283.19x = 207,326,096.01
  5. Step 5: Solve for x
    x = 207,326,096.01/21,283.19
  6. Step 6: Final answer
    x = 9,741.31

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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.