Home / 19,746.05-27,249.55-11,248.96

Finding the Fourth Proportional to 19,746.05, 27,249.55 and 11,248.96

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Solution

The fourth proportional to 19,746.05, 27,249.55 and 11,248.96 is: 15,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.05 : 27,249.55 = 11,248.96 : x
  2. Step 2: Convert to fraction form
    19,746.05/27,249.55 = 11,248.96/x
  3. Step 3: Cross multiply
    19,746.05x = 27,249.55 × 11,248.96
  4. Step 4: Simplify right side
    19,746.05x = 306,529,097.97
  5. Step 5: Solve for x
    x = 306,529,097.97/19,746.05
  6. Step 6: Final answer
    x = 15,523.57

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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.