Home / 11,814.32-16,304.45-6,778.50

Finding the Fourth Proportional to 11,814.32, 16,304.45 and 6,778.50

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Solution

The fourth proportional to 11,814.32, 16,304.45 and 6,778.50 is: 9,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.32 : 16,304.45 = 6,778.50 : x
  2. Step 2: Convert to fraction form
    11,814.32/16,304.45 = 6,778.50/x
  3. Step 3: Cross multiply
    11,814.32x = 16,304.45 × 6,778.50
  4. Step 4: Simplify right side
    11,814.32x = 110,519,619.29
  5. Step 5: Solve for x
    x = 110,519,619.29/11,814.32
  6. Step 6: Final answer
    x = 9,354.71

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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.