Home / 13,786.41-19,025.45-7,498.79

Finding the Fourth Proportional to 13,786.41, 19,025.45 and 7,498.79

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Solution

The fourth proportional to 13,786.41, 19,025.45 and 7,498.79 is: 10,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.41 : 19,025.45 = 7,498.79 : x
  2. Step 2: Convert to fraction form
    13,786.41/19,025.45 = 7,498.79/x
  3. Step 3: Cross multiply
    13,786.41x = 19,025.45 × 7,498.79
  4. Step 4: Simplify right side
    13,786.41x = 142,667,721.58
  5. Step 5: Solve for x
    x = 142,667,721.58/13,786.41
  6. Step 6: Final answer
    x = 10,348.43

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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.