Home / 11,839.60-16,338.68-6,462.08

Finding the Fourth Proportional to 11,839.60, 16,338.68 and 6,462.08

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Solution

The fourth proportional to 11,839.60, 16,338.68 and 6,462.08 is: 8,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.60 : 16,338.68 = 6,462.08 : x
  2. Step 2: Convert to fraction form
    11,839.60/16,338.68 = 6,462.08/x
  3. Step 3: Cross multiply
    11,839.60x = 16,338.68 × 6,462.08
  4. Step 4: Simplify right side
    11,839.60x = 105,581,824.94
  5. Step 5: Solve for x
    x = 105,581,824.94/11,839.60
  6. Step 6: Final answer
    x = 8,917.69

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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.