Home / 10,726.20-16,089.72-3,330.49

Finding the Fourth Proportional to 10,726.20, 16,089.72 and 3,330.49

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Solution

The fourth proportional to 10,726.20, 16,089.72 and 3,330.49 is: 4,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.20 : 16,089.72 = 3,330.49 : x
  2. Step 2: Convert to fraction form
    10,726.20/16,089.72 = 3,330.49/x
  3. Step 3: Cross multiply
    10,726.20x = 16,089.72 × 3,330.49
  4. Step 4: Simplify right side
    10,726.20x = 53,586,651.56
  5. Step 5: Solve for x
    x = 53,586,651.56/10,726.20
  6. Step 6: Final answer
    x = 4,995.87

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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.