Home / 19,318.94-28,991.40-6,838.92

Finding the Fourth Proportional to 19,318.94, 28,991.40 and 6,838.92

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Solution

The fourth proportional to 19,318.94, 28,991.40 and 6,838.92 is: 10,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.94 : 28,991.40 = 6,838.92 : x
  2. Step 2: Convert to fraction form
    19,318.94/28,991.40 = 6,838.92/x
  3. Step 3: Cross multiply
    19,318.94x = 28,991.40 × 6,838.92
  4. Step 4: Simplify right side
    19,318.94x = 198,269,865.29
  5. Step 5: Solve for x
    x = 198,269,865.29/19,318.94
  6. Step 6: Final answer
    x = 10,262.98

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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.