Home / 19,316.88-28,988.30-6,836.85

Finding the Fourth Proportional to 19,316.88, 28,988.30 and 6,836.85

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Solution

The fourth proportional to 19,316.88, 28,988.30 and 6,836.85 is: 10,259.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.88 : 28,988.30 = 6,836.85 : x
  2. Step 2: Convert to fraction form
    19,316.88/28,988.30 = 6,836.85/x
  3. Step 3: Cross multiply
    19,316.88x = 28,988.30 × 6,836.85
  4. Step 4: Simplify right side
    19,316.88x = 198,188,675.95
  5. Step 5: Solve for x
    x = 198,188,675.95/19,316.88
  6. Step 6: Final answer
    x = 10,259.87

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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.