Home / 11,318.07-17,063.91-10,555.77

Finding the Fourth Proportional to 11,318.07, 17,063.91 and 10,555.77

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Solution

The fourth proportional to 11,318.07, 17,063.91 and 10,555.77 is: 15,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.07 : 17,063.91 = 10,555.77 : x
  2. Step 2: Convert to fraction form
    11,318.07/17,063.91 = 10,555.77/x
  3. Step 3: Cross multiply
    11,318.07x = 17,063.91 × 10,555.77
  4. Step 4: Simplify right side
    11,318.07x = 180,122,709.26
  5. Step 5: Solve for x
    x = 180,122,709.26/11,318.07
  6. Step 6: Final answer
    x = 15,914.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.