Home / 13,744.20-20,600.10-10,277.40

Finding the Fourth Proportional to 13,744.20, 20,600.10 and 10,277.40

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Solution

The fourth proportional to 13,744.20, 20,600.10 and 10,277.40 is: 15,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.20 : 20,600.10 = 10,277.40 : x
  2. Step 2: Convert to fraction form
    13,744.20/20,600.10 = 10,277.40/x
  3. Step 3: Cross multiply
    13,744.20x = 20,600.10 × 10,277.40
  4. Step 4: Simplify right side
    13,744.20x = 211,715,467.74
  5. Step 5: Solve for x
    x = 211,715,467.74/13,744.20
  6. Step 6: Final answer
    x = 15,403.99

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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.