Home / 16,719.40-25,046.70-9,785.80

Finding the Fourth Proportional to 16,719.40, 25,046.70 and 9,785.80

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Solution

The fourth proportional to 16,719.40, 25,046.70 and 9,785.80 is: 14,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.40 : 25,046.70 = 9,785.80 : x
  2. Step 2: Convert to fraction form
    16,719.40/25,046.70 = 9,785.80/x
  3. Step 3: Cross multiply
    16,719.40x = 25,046.70 × 9,785.80
  4. Step 4: Simplify right side
    16,719.40x = 245,101,996.86
  5. Step 5: Solve for x
    x = 245,101,996.86/16,719.40
  6. Step 6: Final answer
    x = 14,659.74

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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.