Home / 11,839.40-16,337.90-6,804.44

Finding the Fourth Proportional to 11,839.40, 16,337.90 and 6,804.44

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Solution

The fourth proportional to 11,839.40, 16,337.90 and 6,804.44 is: 9,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.40 : 16,337.90 = 6,804.44 : x
  2. Step 2: Convert to fraction form
    11,839.40/16,337.90 = 6,804.44/x
  3. Step 3: Cross multiply
    11,839.40x = 16,337.90 × 6,804.44
  4. Step 4: Simplify right side
    11,839.40x = 111,170,256.86
  5. Step 5: Solve for x
    x = 111,170,256.86/11,839.40
  6. Step 6: Final answer
    x = 9,389.86

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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.