Home / 19,581.04-27,021.36-11,197

Finding the Fourth Proportional to 19,581.04, 27,021.36 and 11,197

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Solution

The fourth proportional to 19,581.04, 27,021.36 and 11,197 is: 15,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.04 : 27,021.36 = 11,197 : x
  2. Step 2: Convert to fraction form
    19,581.04/27,021.36 = 11,197/x
  3. Step 3: Cross multiply
    19,581.04x = 27,021.36 × 11,197
  4. Step 4: Simplify right side
    19,581.04x = 302,558,167.92
  5. Step 5: Solve for x
    x = 302,558,167.92/19,581.04
  6. Step 6: Final answer
    x = 15,451.59

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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.