Home / 21,193.80-31,795.08-6,963.35

Finding the Fourth Proportional to 21,193.80, 31,795.08 and 6,963.35

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Solution

The fourth proportional to 21,193.80, 31,795.08 and 6,963.35 is: 10,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.80 : 31,795.08 = 6,963.35 : x
  2. Step 2: Convert to fraction form
    21,193.80/31,795.08 = 6,963.35/x
  3. Step 3: Cross multiply
    21,193.80x = 31,795.08 × 6,963.35
  4. Step 4: Simplify right side
    21,193.80x = 221,400,270.32
  5. Step 5: Solve for x
    x = 221,400,270.32/21,193.80
  6. Step 6: Final answer
    x = 10,446.46

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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.