Home / 11,501.09-17,251.68-3,180.87

Finding the Fourth Proportional to 11,501.09, 17,251.68 and 3,180.87

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Solution

The fourth proportional to 11,501.09, 17,251.68 and 3,180.87 is: 4,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.09 : 17,251.68 = 3,180.87 : x
  2. Step 2: Convert to fraction form
    11,501.09/17,251.68 = 3,180.87/x
  3. Step 3: Cross multiply
    11,501.09x = 17,251.68 × 3,180.87
  4. Step 4: Simplify right side
    11,501.09x = 54,875,363.29
  5. Step 5: Solve for x
    x = 54,875,363.29/11,501.09
  6. Step 6: Final answer
    x = 4,771.32

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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.