Home / 13,508.53-20,265.81-4,149.49

Finding the Fourth Proportional to 13,508.53, 20,265.81 and 4,149.49

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Solution

The fourth proportional to 13,508.53, 20,265.81 and 4,149.49 is: 6,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.53 : 20,265.81 = 4,149.49 : x
  2. Step 2: Convert to fraction form
    13,508.53/20,265.81 = 4,149.49/x
  3. Step 3: Cross multiply
    13,508.53x = 20,265.81 × 4,149.49
  4. Step 4: Simplify right side
    13,508.53x = 84,092,775.94
  5. Step 5: Solve for x
    x = 84,092,775.94/13,508.53
  6. Step 6: Final answer
    x = 6,225.16

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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.