Home / 19,929.82-27,514.20-11,974

Finding the Fourth Proportional to 19,929.82, 27,514.20 and 11,974

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Solution

The fourth proportional to 19,929.82, 27,514.20 and 11,974 is: 16,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.82 : 27,514.20 = 11,974 : x
  2. Step 2: Convert to fraction form
    19,929.82/27,514.20 = 11,974/x
  3. Step 3: Cross multiply
    19,929.82x = 27,514.20 × 11,974
  4. Step 4: Simplify right side
    19,929.82x = 329,455,030.80
  5. Step 5: Solve for x
    x = 329,455,030.80/19,929.82
  6. Step 6: Final answer
    x = 16,530.76

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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.