Home / 21,066.28-31,600.80-6,273.97

Finding the Fourth Proportional to 21,066.28, 31,600.80 and 6,273.97

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Solution

The fourth proportional to 21,066.28, 31,600.80 and 6,273.97 is: 9,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.28 : 31,600.80 = 6,273.97 : x
  2. Step 2: Convert to fraction form
    21,066.28/31,600.80 = 6,273.97/x
  3. Step 3: Cross multiply
    21,066.28x = 31,600.80 × 6,273.97
  4. Step 4: Simplify right side
    21,066.28x = 198,262,392.17
  5. Step 5: Solve for x
    x = 198,262,392.17/21,066.28
  6. Step 6: Final answer
    x = 9,411.36

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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.