Home / 13,103.81-19,641.87-8,933.48

Finding the Fourth Proportional to 13,103.81, 19,641.87 and 8,933.48

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Solution

The fourth proportional to 13,103.81, 19,641.87 and 8,933.48 is: 13,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.81 : 19,641.87 = 8,933.48 : x
  2. Step 2: Convert to fraction form
    13,103.81/19,641.87 = 8,933.48/x
  3. Step 3: Cross multiply
    13,103.81x = 19,641.87 × 8,933.48
  4. Step 4: Simplify right side
    13,103.81x = 175,470,252.81
  5. Step 5: Solve for x
    x = 175,470,252.81/13,103.81
  6. Step 6: Final answer
    x = 13,390.78

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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.