Home / 13,484.82-20,230.20-4,124.91

Finding the Fourth Proportional to 13,484.82, 20,230.20 and 4,124.91

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Solution

The fourth proportional to 13,484.82, 20,230.20 and 4,124.91 is: 6,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.82 : 20,230.20 = 4,124.91 : x
  2. Step 2: Convert to fraction form
    13,484.82/20,230.20 = 4,124.91/x
  3. Step 3: Cross multiply
    13,484.82x = 20,230.20 × 4,124.91
  4. Step 4: Simplify right side
    13,484.82x = 83,447,754.28
  5. Step 5: Solve for x
    x = 83,447,754.28/13,484.82
  6. Step 6: Final answer
    x = 6,188.27

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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.