Home / 11,869.98-16,381.78-6,834.44

Finding the Fourth Proportional to 11,869.98, 16,381.78 and 6,834.44

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Solution

The fourth proportional to 11,869.98, 16,381.78 and 6,834.44 is: 9,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.98 : 16,381.78 = 6,834.44 : x
  2. Step 2: Convert to fraction form
    11,869.98/16,381.78 = 6,834.44/x
  3. Step 3: Cross multiply
    11,869.98x = 16,381.78 × 6,834.44
  4. Step 4: Simplify right side
    11,869.98x = 111,960,292.50
  5. Step 5: Solve for x
    x = 111,960,292.50/11,869.98
  6. Step 6: Final answer
    x = 9,432.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.