Home / 9,983.63-14,977.79-3,409.83

Finding the Fourth Proportional to 9,983.63, 14,977.79 and 3,409.83

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Solution

The fourth proportional to 9,983.63, 14,977.79 and 3,409.83 is: 5,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.63 : 14,977.79 = 3,409.83 : x
  2. Step 2: Convert to fraction form
    9,983.63/14,977.79 = 3,409.83/x
  3. Step 3: Cross multiply
    9,983.63x = 14,977.79 × 3,409.83
  4. Step 4: Simplify right side
    9,983.63x = 51,071,700.63
  5. Step 5: Solve for x
    x = 51,071,700.63/9,983.63
  6. Step 6: Final answer
    x = 5,115.55

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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.