Home / 14,249.39-19,663.77-7,961.77

Finding the Fourth Proportional to 14,249.39, 19,663.77 and 7,961.77

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Solution

The fourth proportional to 14,249.39, 19,663.77 and 7,961.77 is: 10,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.39 : 19,663.77 = 7,961.77 : x
  2. Step 2: Convert to fraction form
    14,249.39/19,663.77 = 7,961.77/x
  3. Step 3: Cross multiply
    14,249.39x = 19,663.77 × 7,961.77
  4. Step 4: Simplify right side
    14,249.39x = 156,558,414.07
  5. Step 5: Solve for x
    x = 156,558,414.07/14,249.39
  6. Step 6: Final answer
    x = 10,987.03

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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.