Home / 19,992.89-27,581.45-11,493.06

Finding the Fourth Proportional to 19,992.89, 27,581.45 and 11,493.06

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Solution

The fourth proportional to 19,992.89, 27,581.45 and 11,493.06 is: 15,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.89 : 27,581.45 = 11,493.06 : x
  2. Step 2: Convert to fraction form
    19,992.89/27,581.45 = 11,493.06/x
  3. Step 3: Cross multiply
    19,992.89x = 27,581.45 × 11,493.06
  4. Step 4: Simplify right side
    19,992.89x = 316,995,098.84
  5. Step 5: Solve for x
    x = 316,995,098.84/19,992.89
  6. Step 6: Final answer
    x = 15,855.39

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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.