Home / 13,937.41-20,905.92-3,407.52

Finding the Fourth Proportional to 13,937.41, 20,905.92 and 3,407.52

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Solution

The fourth proportional to 13,937.41, 20,905.92 and 3,407.52 is: 5,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.41 : 20,905.92 = 3,407.52 : x
  2. Step 2: Convert to fraction form
    13,937.41/20,905.92 = 3,407.52/x
  3. Step 3: Cross multiply
    13,937.41x = 20,905.92 × 3,407.52
  4. Step 4: Simplify right side
    13,937.41x = 71,237,310.90
  5. Step 5: Solve for x
    x = 71,237,310.90/13,937.41
  6. Step 6: Final answer
    x = 5,111.23

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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.