Home / 19,310.29-28,965.98-6,828.55

Finding the Fourth Proportional to 19,310.29, 28,965.98 and 6,828.55

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Solution

The fourth proportional to 19,310.29, 28,965.98 and 6,828.55 is: 10,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.29 : 28,965.98 = 6,828.55 : x
  2. Step 2: Convert to fraction form
    19,310.29/28,965.98 = 6,828.55/x
  3. Step 3: Cross multiply
    19,310.29x = 28,965.98 × 6,828.55
  4. Step 4: Simplify right side
    19,310.29x = 197,795,608.59
  5. Step 5: Solve for x
    x = 197,795,608.59/19,310.29
  6. Step 6: Final answer
    x = 10,243.02

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1.5x scale

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.