Home / 19,687.82-27,169.34-10,735.47

Finding the Fourth Proportional to 19,687.82, 27,169.34 and 10,735.47

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Solution

The fourth proportional to 19,687.82, 27,169.34 and 10,735.47 is: 14,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.82 : 27,169.34 = 10,735.47 : x
  2. Step 2: Convert to fraction form
    19,687.82/27,169.34 = 10,735.47/x
  3. Step 3: Cross multiply
    19,687.82x = 27,169.34 × 10,735.47
  4. Step 4: Simplify right side
    19,687.82x = 291,675,580.81
  5. Step 5: Solve for x
    x = 291,675,580.81/19,687.82
  6. Step 6: Final answer
    x = 14,815.03

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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.