Home / 19,741.38-27,243-11,677.93

Finding the Fourth Proportional to 19,741.38, 27,243 and 11,677.93

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Solution

The fourth proportional to 19,741.38, 27,243 and 11,677.93 is: 16,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.38 : 27,243 = 11,677.93 : x
  2. Step 2: Convert to fraction form
    19,741.38/27,243 = 11,677.93/x
  3. Step 3: Cross multiply
    19,741.38x = 27,243 × 11,677.93
  4. Step 4: Simplify right side
    19,741.38x = 318,141,846.99
  5. Step 5: Solve for x
    x = 318,141,846.99/19,741.38
  6. Step 6: Final answer
    x = 16,115.48

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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.