Home / 19,922.24-27,486.60-11,537.12

Finding the Fourth Proportional to 19,922.24, 27,486.60 and 11,537.12

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Solution

The fourth proportional to 19,922.24, 27,486.60 and 11,537.12 is: 15,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.24 : 27,486.60 = 11,537.12 : x
  2. Step 2: Convert to fraction form
    19,922.24/27,486.60 = 11,537.12/x
  3. Step 3: Cross multiply
    19,922.24x = 27,486.60 × 11,537.12
  4. Step 4: Simplify right side
    19,922.24x = 317,116,202.59
  5. Step 5: Solve for x
    x = 317,116,202.59/19,922.24
  6. Step 6: Final answer
    x = 15,917.70

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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.