Home / 13,426.42-20,138.05-3,566.46

Finding the Fourth Proportional to 13,426.42, 20,138.05 and 3,566.46

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Solution

The fourth proportional to 13,426.42, 20,138.05 and 3,566.46 is: 5,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.42 : 20,138.05 = 3,566.46 : x
  2. Step 2: Convert to fraction form
    13,426.42/20,138.05 = 3,566.46/x
  3. Step 3: Cross multiply
    13,426.42x = 20,138.05 × 3,566.46
  4. Step 4: Simplify right side
    13,426.42x = 71,821,549.80
  5. Step 5: Solve for x
    x = 71,821,549.80/13,426.42
  6. Step 6: Final answer
    x = 5,349.27

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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.