Home / 21,198.29-31,800.68-6,962.28

Finding the Fourth Proportional to 21,198.29, 31,800.68 and 6,962.28

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Solution

The fourth proportional to 21,198.29, 31,800.68 and 6,962.28 is: 10,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.29 : 31,800.68 = 6,962.28 : x
  2. Step 2: Convert to fraction form
    21,198.29/31,800.68 = 6,962.28/x
  3. Step 3: Cross multiply
    21,198.29x = 31,800.68 × 6,962.28
  4. Step 4: Simplify right side
    21,198.29x = 221,405,203.54
  5. Step 5: Solve for x
    x = 221,405,203.54/21,198.29
  6. Step 6: Final answer
    x = 10,444.49

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1.5x scale

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.