Home / 21,947.83-32,929.13-6,957.39

Finding the Fourth Proportional to 21,947.83, 32,929.13 and 6,957.39

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Solution

The fourth proportional to 21,947.83, 32,929.13 and 6,957.39 is: 10,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947.83 : 32,929.13 = 6,957.39 : x
  2. Step 2: Convert to fraction form
    21,947.83/32,929.13 = 6,957.39/x
  3. Step 3: Cross multiply
    21,947.83x = 32,929.13 × 6,957.39
  4. Step 4: Simplify right side
    21,947.83x = 229,100,918.63
  5. Step 5: Solve for x
    x = 229,100,918.63/21,947.83
  6. Step 6: Final answer
    x = 10,438.43

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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.