Home / 16,811.06-25,182.57-8,479.46

Finding the Fourth Proportional to 16,811.06, 25,182.57 and 8,479.46

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Solution

The fourth proportional to 16,811.06, 25,182.57 and 8,479.46 is: 12,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.06 : 25,182.57 = 8,479.46 : x
  2. Step 2: Convert to fraction form
    16,811.06/25,182.57 = 8,479.46/x
  3. Step 3: Cross multiply
    16,811.06x = 25,182.57 × 8,479.46
  4. Step 4: Simplify right side
    16,811.06x = 213,534,595.01
  5. Step 5: Solve for x
    x = 213,534,595.01/16,811.06
  6. Step 6: Final answer
    x = 12,702.03

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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.