Home / 19,251.86-28,877.95-6,771.97

Finding the Fourth Proportional to 19,251.86, 28,877.95 and 6,771.97

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Solution

The fourth proportional to 19,251.86, 28,877.95 and 6,771.97 is: 10,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.86 : 28,877.95 = 6,771.97 : x
  2. Step 2: Convert to fraction form
    19,251.86/28,877.95 = 6,771.97/x
  3. Step 3: Cross multiply
    19,251.86x = 28,877.95 × 6,771.97
  4. Step 4: Simplify right side
    19,251.86x = 195,560,611.06
  5. Step 5: Solve for x
    x = 195,560,611.06/19,251.86
  6. Step 6: Final answer
    x = 10,158.01

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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.