Home / 19,120.57-26,371.79-13,832.89

Finding the Fourth Proportional to 19,120.57, 26,371.79 and 13,832.89

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Solution

The fourth proportional to 19,120.57, 26,371.79 and 13,832.89 is: 19,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.57 : 26,371.79 = 13,832.89 : x
  2. Step 2: Convert to fraction form
    19,120.57/26,371.79 = 13,832.89/x
  3. Step 3: Cross multiply
    19,120.57x = 26,371.79 × 13,832.89
  4. Step 4: Simplify right side
    19,120.57x = 364,798,001.01
  5. Step 5: Solve for x
    x = 364,798,001.01/19,120.57
  6. Step 6: Final answer
    x = 19,078.82

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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.