Home / 11,605.08-16,016.24-6,889.80

Finding the Fourth Proportional to 11,605.08, 16,016.24 and 6,889.80

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Solution

The fourth proportional to 11,605.08, 16,016.24 and 6,889.80 is: 9,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.08 : 16,016.24 = 6,889.80 : x
  2. Step 2: Convert to fraction form
    11,605.08/16,016.24 = 6,889.80/x
  3. Step 3: Cross multiply
    11,605.08x = 16,016.24 × 6,889.80
  4. Step 4: Simplify right side
    11,605.08x = 110,348,690.35
  5. Step 5: Solve for x
    x = 110,348,690.35/11,605.08
  6. Step 6: Final answer
    x = 9,508.65

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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.