Home / 13,429.13-20,144.77-4,195.13

Finding the Fourth Proportional to 13,429.13, 20,144.77 and 4,195.13

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Solution

The fourth proportional to 13,429.13, 20,144.77 and 4,195.13 is: 6,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.13 : 20,144.77 = 4,195.13 : x
  2. Step 2: Convert to fraction form
    13,429.13/20,144.77 = 4,195.13/x
  3. Step 3: Cross multiply
    13,429.13x = 20,144.77 × 4,195.13
  4. Step 4: Simplify right side
    13,429.13x = 84,509,817.76
  5. Step 5: Solve for x
    x = 84,509,817.76/13,429.13
  6. Step 6: Final answer
    x = 6,293.02

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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.