Home / 10,669.80-16,007.90-5,051.75

Finding the Fourth Proportional to 10,669.80, 16,007.90 and 5,051.75

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Solution

The fourth proportional to 10,669.80, 16,007.90 and 5,051.75 is: 7,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.80 : 16,007.90 = 5,051.75 : x
  2. Step 2: Convert to fraction form
    10,669.80/16,007.90 = 5,051.75/x
  3. Step 3: Cross multiply
    10,669.80x = 16,007.90 × 5,051.75
  4. Step 4: Simplify right side
    10,669.80x = 80,867,908.83
  5. Step 5: Solve for x
    x = 80,867,908.83/10,669.80
  6. Step 6: Final answer
    x = 7,579.14

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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.