Home / 19,691.49-27,173.44-10,738.77

Finding the Fourth Proportional to 19,691.49, 27,173.44 and 10,738.77

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Solution

The fourth proportional to 19,691.49, 27,173.44 and 10,738.77 is: 14,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691.49 : 27,173.44 = 10,738.77 : x
  2. Step 2: Convert to fraction form
    19,691.49/27,173.44 = 10,738.77/x
  3. Step 3: Cross multiply
    19,691.49x = 27,173.44 × 10,738.77
  4. Step 4: Simplify right side
    19,691.49x = 291,809,322.27
  5. Step 5: Solve for x
    x = 291,809,322.27/19,691.49
  6. Step 6: Final answer
    x = 14,819.06

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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.