Home / 16,853.10-25,230.69-9,811.64

Finding the Fourth Proportional to 16,853.10, 25,230.69 and 9,811.64

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Solution

The fourth proportional to 16,853.10, 25,230.69 and 9,811.64 is: 14,688.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.10 : 25,230.69 = 9,811.64 : x
  2. Step 2: Convert to fraction form
    16,853.10/25,230.69 = 9,811.64/x
  3. Step 3: Cross multiply
    16,853.10x = 25,230.69 × 9,811.64
  4. Step 4: Simplify right side
    16,853.10x = 247,554,321.08
  5. Step 5: Solve for x
    x = 247,554,321.08/16,853.10
  6. Step 6: Final answer
    x = 14,688.95

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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.