Home / 11,020.70-16,528.92-3,123.15

Finding the Fourth Proportional to 11,020.70, 16,528.92 and 3,123.15

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Solution

The fourth proportional to 11,020.70, 16,528.92 and 3,123.15 is: 4,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.70 : 16,528.92 = 3,123.15 : x
  2. Step 2: Convert to fraction form
    11,020.70/16,528.92 = 3,123.15/x
  3. Step 3: Cross multiply
    11,020.70x = 16,528.92 × 3,123.15
  4. Step 4: Simplify right side
    11,020.70x = 51,622,296.50
  5. Step 5: Solve for x
    x = 51,622,296.50/11,020.70
  6. Step 6: Final answer
    x = 4,684.12

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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.