Home / 19,921.07-27,492.39-11,537.57

Finding the Fourth Proportional to 19,921.07, 27,492.39 and 11,537.57

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Solution

The fourth proportional to 19,921.07, 27,492.39 and 11,537.57 is: 15,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.07 : 27,492.39 = 11,537.57 : x
  2. Step 2: Convert to fraction form
    19,921.07/27,492.39 = 11,537.57/x
  3. Step 3: Cross multiply
    19,921.07x = 27,492.39 × 11,537.57
  4. Step 4: Simplify right side
    19,921.07x = 317,195,374.09
  5. Step 5: Solve for x
    x = 317,195,374.09/19,921.07
  6. Step 6: Final answer
    x = 15,922.61

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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.