Home / 16,911.42-25,367.13-13,208.10

Finding the Fourth Proportional to 16,911.42, 25,367.13 and 13,208.10

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Solution

The fourth proportional to 16,911.42, 25,367.13 and 13,208.10 is: 19,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.42 : 25,367.13 = 13,208.10 : x
  2. Step 2: Convert to fraction form
    16,911.42/25,367.13 = 13,208.10/x
  3. Step 3: Cross multiply
    16,911.42x = 25,367.13 × 13,208.10
  4. Step 4: Simplify right side
    16,911.42x = 335,051,589.75
  5. Step 5: Solve for x
    x = 335,051,589.75/16,911.42
  6. Step 6: Final answer
    x = 19,812.15

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Similar ratio
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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.