Home / 13,401.79-20,148.24-10,954.37

Finding the Fourth Proportional to 13,401.79, 20,148.24 and 10,954.37

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Solution

The fourth proportional to 13,401.79, 20,148.24 and 10,954.37 is: 16,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.79 : 20,148.24 = 10,954.37 : x
  2. Step 2: Convert to fraction form
    13,401.79/20,148.24 = 10,954.37/x
  3. Step 3: Cross multiply
    13,401.79x = 20,148.24 × 10,954.37
  4. Step 4: Simplify right side
    13,401.79x = 220,711,367.26
  5. Step 5: Solve for x
    x = 220,711,367.26/13,401.79
  6. Step 6: Final answer
    x = 16,468.80

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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.