Home / 12,771.92-19,160.32-4,980.26

Finding the Fourth Proportional to 12,771.92, 19,160.32 and 4,980.26

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Solution

The fourth proportional to 12,771.92, 19,160.32 and 4,980.26 is: 7,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.92 : 19,160.32 = 4,980.26 : x
  2. Step 2: Convert to fraction form
    12,771.92/19,160.32 = 4,980.26/x
  3. Step 3: Cross multiply
    12,771.92x = 19,160.32 × 4,980.26
  4. Step 4: Simplify right side
    12,771.92x = 95,423,375.28
  5. Step 5: Solve for x
    x = 95,423,375.28/12,771.92
  6. Step 6: Final answer
    x = 7,471.34

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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.