Home / 11,009.99-16,519.61-6,853.47

Finding the Fourth Proportional to 11,009.99, 16,519.61 and 6,853.47

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Solution

The fourth proportional to 11,009.99, 16,519.61 and 6,853.47 is: 10,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.99 : 16,519.61 = 6,853.47 : x
  2. Step 2: Convert to fraction form
    11,009.99/16,519.61 = 6,853.47/x
  3. Step 3: Cross multiply
    11,009.99x = 16,519.61 × 6,853.47
  4. Step 4: Simplify right side
    11,009.99x = 113,216,651.55
  5. Step 5: Solve for x
    x = 113,216,651.55/11,009.99
  6. Step 6: Final answer
    x = 10,283.09

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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.