Home / 20,247.19-27,941.13-11,863.69

Finding the Fourth Proportional to 20,247.19, 27,941.13 and 11,863.69

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Solution

The fourth proportional to 20,247.19, 27,941.13 and 11,863.69 is: 16,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.19 : 27,941.13 = 11,863.69 : x
  2. Step 2: Convert to fraction form
    20,247.19/27,941.13 = 11,863.69/x
  3. Step 3: Cross multiply
    20,247.19x = 27,941.13 × 11,863.69
  4. Step 4: Simplify right side
    20,247.19x = 331,484,834.72
  5. Step 5: Solve for x
    x = 331,484,834.72/20,247.19
  6. Step 6: Final answer
    x = 16,371.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.