Home / 10,685.03-16,029.68-3,289.21

Finding the Fourth Proportional to 10,685.03, 16,029.68 and 3,289.21

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Solution

The fourth proportional to 10,685.03, 16,029.68 and 3,289.21 is: 4,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.03 : 16,029.68 = 3,289.21 : x
  2. Step 2: Convert to fraction form
    10,685.03/16,029.68 = 3,289.21/x
  3. Step 3: Cross multiply
    10,685.03x = 16,029.68 × 3,289.21
  4. Step 4: Simplify right side
    10,685.03x = 52,724,983.75
  5. Step 5: Solve for x
    x = 52,724,983.75/10,685.03
  6. Step 6: Final answer
    x = 4,934.47

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1.5x scale

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.