Home / 13,871.44-20,806.86-3,483.16

Finding the Fourth Proportional to 13,871.44, 20,806.86 and 3,483.16

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Solution

The fourth proportional to 13,871.44, 20,806.86 and 3,483.16 is: 5,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.44 : 20,806.86 = 3,483.16 : x
  2. Step 2: Convert to fraction form
    13,871.44/20,806.86 = 3,483.16/x
  3. Step 3: Cross multiply
    13,871.44x = 20,806.86 × 3,483.16
  4. Step 4: Simplify right side
    13,871.44x = 72,473,622.48
  5. Step 5: Solve for x
    x = 72,473,622.48/13,871.44
  6. Step 6: Final answer
    x = 5,224.66

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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.