Home / 11,090.25-15,305.51-6,123.21

Finding the Fourth Proportional to 11,090.25, 15,305.51 and 6,123.21

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Solution

The fourth proportional to 11,090.25, 15,305.51 and 6,123.21 is: 8,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.25 : 15,305.51 = 6,123.21 : x
  2. Step 2: Convert to fraction form
    11,090.25/15,305.51 = 6,123.21/x
  3. Step 3: Cross multiply
    11,090.25x = 15,305.51 × 6,123.21
  4. Step 4: Simplify right side
    11,090.25x = 93,718,821.27
  5. Step 5: Solve for x
    x = 93,718,821.27/11,090.25
  6. Step 6: Final answer
    x = 8,450.56

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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.