Home / 16,891.74-25,334.73-5,645.79

Finding the Fourth Proportional to 16,891.74, 25,334.73 and 5,645.79

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Solution

The fourth proportional to 16,891.74, 25,334.73 and 5,645.79 is: 8,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.74 : 25,334.73 = 5,645.79 : x
  2. Step 2: Convert to fraction form
    16,891.74/25,334.73 = 5,645.79/x
  3. Step 3: Cross multiply
    16,891.74x = 25,334.73 × 5,645.79
  4. Step 4: Simplify right side
    16,891.74x = 143,034,565.29
  5. Step 5: Solve for x
    x = 143,034,565.29/16,891.74
  6. Step 6: Final answer
    x = 8,467.72

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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.