Home / 21,284.94-31,927.41-6,493.95

Finding the Fourth Proportional to 21,284.94, 31,927.41 and 6,493.95

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Solution

The fourth proportional to 21,284.94, 31,927.41 and 6,493.95 is: 9,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284.94 : 31,927.41 = 6,493.95 : x
  2. Step 2: Convert to fraction form
    21,284.94/31,927.41 = 6,493.95/x
  3. Step 3: Cross multiply
    21,284.94x = 31,927.41 × 6,493.95
  4. Step 4: Simplify right side
    21,284.94x = 207,335,004.17
  5. Step 5: Solve for x
    x = 207,335,004.17/21,284.94
  6. Step 6: Final answer
    x = 9,740.93

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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.