Home / 13,238.43-19,857.66-5,842.90

Finding the Fourth Proportional to 13,238.43, 19,857.66 and 5,842.90

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Solution

The fourth proportional to 13,238.43, 19,857.66 and 5,842.90 is: 8,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.43 : 19,857.66 = 5,842.90 : x
  2. Step 2: Convert to fraction form
    13,238.43/19,857.66 = 5,842.90/x
  3. Step 3: Cross multiply
    13,238.43x = 19,857.66 × 5,842.90
  4. Step 4: Simplify right side
    13,238.43x = 116,026,321.61
  5. Step 5: Solve for x
    x = 116,026,321.61/13,238.43
  6. Step 6: Final answer
    x = 8,764.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.