Home / 20,051.11-30,071.13-6,899.95

Finding the Fourth Proportional to 20,051.11, 30,071.13 and 6,899.95

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Solution

The fourth proportional to 20,051.11, 30,071.13 and 6,899.95 is: 10,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.11 : 30,071.13 = 6,899.95 : x
  2. Step 2: Convert to fraction form
    20,051.11/30,071.13 = 6,899.95/x
  3. Step 3: Cross multiply
    20,051.11x = 30,071.13 × 6,899.95
  4. Step 4: Simplify right side
    20,051.11x = 207,489,293.44
  5. Step 5: Solve for x
    x = 207,489,293.44/20,051.11
  6. Step 6: Final answer
    x = 10,348.02

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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.