Home / 13,290.41-19,949.49-5,900.09

Finding the Fourth Proportional to 13,290.41, 19,949.49 and 5,900.09

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Solution

The fourth proportional to 13,290.41, 19,949.49 and 5,900.09 is: 8,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.41 : 19,949.49 = 5,900.09 : x
  2. Step 2: Convert to fraction form
    13,290.41/19,949.49 = 5,900.09/x
  3. Step 3: Cross multiply
    13,290.41x = 19,949.49 × 5,900.09
  4. Step 4: Simplify right side
    13,290.41x = 117,703,686.71
  5. Step 5: Solve for x
    x = 117,703,686.71/13,290.41
  6. Step 6: Final answer
    x = 8,856.29

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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.