Home / 13,426.44-20,138.10-3,566.49

Finding the Fourth Proportional to 13,426.44, 20,138.10 and 3,566.49

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Solution

The fourth proportional to 13,426.44, 20,138.10 and 3,566.49 is: 5,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.44 : 20,138.10 = 3,566.49 : x
  2. Step 2: Convert to fraction form
    13,426.44/20,138.10 = 3,566.49/x
  3. Step 3: Cross multiply
    13,426.44x = 20,138.10 × 3,566.49
  4. Step 4: Simplify right side
    13,426.44x = 71,822,332.27
  5. Step 5: Solve for x
    x = 71,822,332.27/13,426.44
  6. Step 6: Final answer
    x = 5,349.32

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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.