Home / 19,645.53-27,092.19-15,162.18

Finding the Fourth Proportional to 19,645.53, 27,092.19 and 15,162.18

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Solution

The fourth proportional to 19,645.53, 27,092.19 and 15,162.18 is: 20,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.53 : 27,092.19 = 15,162.18 : x
  2. Step 2: Convert to fraction form
    19,645.53/27,092.19 = 15,162.18/x
  3. Step 3: Cross multiply
    19,645.53x = 27,092.19 × 15,162.18
  4. Step 4: Simplify right side
    19,645.53x = 410,776,661.37
  5. Step 5: Solve for x
    x = 410,776,661.37/19,645.53
  6. Step 6: Final answer
    x = 20,909.42

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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.