Home / 19,269.68-28,901.18-6,786.78

Finding the Fourth Proportional to 19,269.68, 28,901.18 and 6,786.78

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Solution

The fourth proportional to 19,269.68, 28,901.18 and 6,786.78 is: 10,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.68 : 28,901.18 = 6,786.78 : x
  2. Step 2: Convert to fraction form
    19,269.68/28,901.18 = 6,786.78/x
  3. Step 3: Cross multiply
    19,269.68x = 28,901.18 × 6,786.78
  4. Step 4: Simplify right side
    19,269.68x = 196,145,950.40
  5. Step 5: Solve for x
    x = 196,145,950.40/19,269.68
  6. Step 6: Final answer
    x = 10,178.99

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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.