Home / 13,901.52-20,852.11-3,371.63

Finding the Fourth Proportional to 13,901.52, 20,852.11 and 3,371.63

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Solution

The fourth proportional to 13,901.52, 20,852.11 and 3,371.63 is: 5,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.52 : 20,852.11 = 3,371.63 : x
  2. Step 2: Convert to fraction form
    13,901.52/20,852.11 = 3,371.63/x
  3. Step 3: Cross multiply
    13,901.52x = 20,852.11 × 3,371.63
  4. Step 4: Simplify right side
    13,901.52x = 70,305,479.44
  5. Step 5: Solve for x
    x = 70,305,479.44/13,901.52
  6. Step 6: Final answer
    x = 5,057.40

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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.