Home / 19,626.15-27,080.42-11,670.33

Finding the Fourth Proportional to 19,626.15, 27,080.42 and 11,670.33

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Solution

The fourth proportional to 19,626.15, 27,080.42 and 11,670.33 is: 16,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.15 : 27,080.42 = 11,670.33 : x
  2. Step 2: Convert to fraction form
    19,626.15/27,080.42 = 11,670.33/x
  3. Step 3: Cross multiply
    19,626.15x = 27,080.42 × 11,670.33
  4. Step 4: Simplify right side
    19,626.15x = 316,037,379.59
  5. Step 5: Solve for x
    x = 316,037,379.59/19,626.15
  6. Step 6: Final answer
    x = 16,102.87

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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.