Home / 11,093.49-15,305.70-7,107.66

Finding the Fourth Proportional to 11,093.49, 15,305.70 and 7,107.66

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Solution

The fourth proportional to 11,093.49, 15,305.70 and 7,107.66 is: 9,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.49 : 15,305.70 = 7,107.66 : x
  2. Step 2: Convert to fraction form
    11,093.49/15,305.70 = 7,107.66/x
  3. Step 3: Cross multiply
    11,093.49x = 15,305.70 × 7,107.66
  4. Step 4: Simplify right side
    11,093.49x = 108,787,711.66
  5. Step 5: Solve for x
    x = 108,787,711.66/11,093.49
  6. Step 6: Final answer
    x = 9,806.45

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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.