Home / 10,669.70-16,002.68-4,004.40

Finding the Fourth Proportional to 10,669.70, 16,002.68 and 4,004.40

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Solution

The fourth proportional to 10,669.70, 16,002.68 and 4,004.40 is: 6,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.70 : 16,002.68 = 4,004.40 : x
  2. Step 2: Convert to fraction form
    10,669.70/16,002.68 = 4,004.40/x
  3. Step 3: Cross multiply
    10,669.70x = 16,002.68 × 4,004.40
  4. Step 4: Simplify right side
    10,669.70x = 64,081,131.79
  5. Step 5: Solve for x
    x = 64,081,131.79/10,669.70
  6. Step 6: Final answer
    x = 6,005.90

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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.