Home / 14,351.46-19,804.38-8,383.68

Finding the Fourth Proportional to 14,351.46, 19,804.38 and 8,383.68

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Solution

The fourth proportional to 14,351.46, 19,804.38 and 8,383.68 is: 11,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.46 : 19,804.38 = 8,383.68 : x
  2. Step 2: Convert to fraction form
    14,351.46/19,804.38 = 8,383.68/x
  3. Step 3: Cross multiply
    14,351.46x = 19,804.38 × 8,383.68
  4. Step 4: Simplify right side
    14,351.46x = 166,033,584.52
  5. Step 5: Solve for x
    x = 166,033,584.52/14,351.46
  6. Step 6: Final answer
    x = 11,569.11

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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.