Home / 10,980.26-16,468.20-3,960.08

Finding the Fourth Proportional to 10,980.26, 16,468.20 and 3,960.08

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Solution

The fourth proportional to 10,980.26, 16,468.20 and 3,960.08 is: 5,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.26 : 16,468.20 = 3,960.08 : x
  2. Step 2: Convert to fraction form
    10,980.26/16,468.20 = 3,960.08/x
  3. Step 3: Cross multiply
    10,980.26x = 16,468.20 × 3,960.08
  4. Step 4: Simplify right side
    10,980.26x = 65,215,389.46
  5. Step 5: Solve for x
    x = 65,215,389.46/10,980.26
  6. Step 6: Final answer
    x = 5,939.33

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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.