Home / 11,269.82-16,869.30-7,739.18

Finding the Fourth Proportional to 11,269.82, 16,869.30 and 7,739.18

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Solution

The fourth proportional to 11,269.82, 16,869.30 and 7,739.18 is: 11,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.82 : 16,869.30 = 7,739.18 : x
  2. Step 2: Convert to fraction form
    11,269.82/16,869.30 = 7,739.18/x
  3. Step 3: Cross multiply
    11,269.82x = 16,869.30 × 7,739.18
  4. Step 4: Simplify right side
    11,269.82x = 130,554,549.17
  5. Step 5: Solve for x
    x = 130,554,549.17/11,269.82
  6. Step 6: Final answer
    x = 11,584.44

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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.