Home / 19,642.29-27,109.28-11,573.37

Finding the Fourth Proportional to 19,642.29, 27,109.28 and 11,573.37

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Solution

The fourth proportional to 19,642.29, 27,109.28 and 11,573.37 is: 15,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.29 : 27,109.28 = 11,573.37 : x
  2. Step 2: Convert to fraction form
    19,642.29/27,109.28 = 11,573.37/x
  3. Step 3: Cross multiply
    19,642.29x = 27,109.28 × 11,573.37
  4. Step 4: Simplify right side
    19,642.29x = 313,745,727.87
  5. Step 5: Solve for x
    x = 313,745,727.87/19,642.29
  6. Step 6: Final answer
    x = 15,972.97

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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.