Home / 19,310.19-28,965.79-6,162.55

Finding the Fourth Proportional to 19,310.19, 28,965.79 and 6,162.55

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Solution

The fourth proportional to 19,310.19, 28,965.79 and 6,162.55 is: 9,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.19 : 28,965.79 = 6,162.55 : x
  2. Step 2: Convert to fraction form
    19,310.19/28,965.79 = 6,162.55/x
  3. Step 3: Cross multiply
    19,310.19x = 28,965.79 × 6,162.55
  4. Step 4: Simplify right side
    19,310.19x = 178,503,029.79
  5. Step 5: Solve for x
    x = 178,503,029.79/19,310.19
  6. Step 6: Final answer
    x = 9,243.98

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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.