Home / 16,908.60-25,367.06-11,920.72

Finding the Fourth Proportional to 16,908.60, 25,367.06 and 11,920.72

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Solution

The fourth proportional to 16,908.60, 25,367.06 and 11,920.72 is: 17,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.60 : 25,367.06 = 11,920.72 : x
  2. Step 2: Convert to fraction form
    16,908.60/25,367.06 = 11,920.72/x
  3. Step 3: Cross multiply
    16,908.60x = 25,367.06 × 11,920.72
  4. Step 4: Simplify right side
    16,908.60x = 302,393,619.48
  5. Step 5: Solve for x
    x = 302,393,619.48/16,908.60
  6. Step 6: Final answer
    x = 17,884.01

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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.