Home / 16,872.35-23,286.69-9,802.88

Finding the Fourth Proportional to 16,872.35, 23,286.69 and 9,802.88

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Solution

The fourth proportional to 16,872.35, 23,286.69 and 9,802.88 is: 13,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.35 : 23,286.69 = 9,802.88 : x
  2. Step 2: Convert to fraction form
    16,872.35/23,286.69 = 9,802.88/x
  3. Step 3: Cross multiply
    16,872.35x = 23,286.69 × 9,802.88
  4. Step 4: Simplify right side
    16,872.35x = 228,276,511.23
  5. Step 5: Solve for x
    x = 228,276,511.23/16,872.35
  6. Step 6: Final answer
    x = 13,529.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.