Home / 13,468.92-20,205.90-4,109.77

Finding the Fourth Proportional to 13,468.92, 20,205.90 and 4,109.77

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Solution

The fourth proportional to 13,468.92, 20,205.90 and 4,109.77 is: 6,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.92 : 20,205.90 = 4,109.77 : x
  2. Step 2: Convert to fraction form
    13,468.92/20,205.90 = 4,109.77/x
  3. Step 3: Cross multiply
    13,468.92x = 20,205.90 × 4,109.77
  4. Step 4: Simplify right side
    13,468.92x = 83,041,601.64
  5. Step 5: Solve for x
    x = 83,041,601.64/13,468.92
  6. Step 6: Final answer
    x = 6,165.42

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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.