Home / 21,793.22-30,070.00-12,837.45

Finding the Fourth Proportional to 21,793.22, 30,070.00 and 12,837.45

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Solution

The fourth proportional to 21,793.22, 30,070.00 and 12,837.45 is: 17,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.22 : 30,070.00 = 12,837.45 : x
  2. Step 2: Convert to fraction form
    21,793.22/30,070.00 = 12,837.45/x
  3. Step 3: Cross multiply
    21,793.22x = 30,070.00 × 12,837.45
  4. Step 4: Simplify right side
    21,793.22x = 386,022,250.31
  5. Step 5: Solve for x
    x = 386,022,250.31/21,793.22
  6. Step 6: Final answer
    x = 17,712.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.