Home / 16,919.43-25,335.41-11,670.63

Finding the Fourth Proportional to 16,919.43, 25,335.41 and 11,670.63

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Solution

The fourth proportional to 16,919.43, 25,335.41 and 11,670.63 is: 17,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.43 : 25,335.41 = 11,670.63 : x
  2. Step 2: Convert to fraction form
    16,919.43/25,335.41 = 11,670.63/x
  3. Step 3: Cross multiply
    16,919.43x = 25,335.41 × 11,670.63
  4. Step 4: Simplify right side
    16,919.43x = 295,680,137.66
  5. Step 5: Solve for x
    x = 295,680,137.66/16,919.43
  6. Step 6: Final answer
    x = 17,475.77

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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.