Home / 13,468.68-20,205.45-4,109.49

Finding the Fourth Proportional to 13,468.68, 20,205.45 and 4,109.49

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Solution

The fourth proportional to 13,468.68, 20,205.45 and 4,109.49 is: 6,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.68 : 20,205.45 = 4,109.49 : x
  2. Step 2: Convert to fraction form
    13,468.68/20,205.45 = 4,109.49/x
  3. Step 3: Cross multiply
    13,468.68x = 20,205.45 × 4,109.49
  4. Step 4: Simplify right side
    13,468.68x = 83,034,094.72
  5. Step 5: Solve for x
    x = 83,034,094.72/13,468.68
  6. Step 6: Final answer
    x = 6,164.98

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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.