Home / 14,200.19-21,300.29-3,811.94

Finding the Fourth Proportional to 14,200.19, 21,300.29 and 3,811.94

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Solution

The fourth proportional to 14,200.19, 21,300.29 and 3,811.94 is: 5,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.19 : 21,300.29 = 3,811.94 : x
  2. Step 2: Convert to fraction form
    14,200.19/21,300.29 = 3,811.94/x
  3. Step 3: Cross multiply
    14,200.19x = 21,300.29 × 3,811.94
  4. Step 4: Simplify right side
    14,200.19x = 81,195,512.36
  5. Step 5: Solve for x
    x = 81,195,512.36/14,200.19
  6. Step 6: Final answer
    x = 5,717.92

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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.