Home / 16,892.35-23,310.68-9,721.71

Finding the Fourth Proportional to 16,892.35, 23,310.68 and 9,721.71

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Solution

The fourth proportional to 16,892.35, 23,310.68 and 9,721.71 is: 13,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.35 : 23,310.68 = 9,721.71 : x
  2. Step 2: Convert to fraction form
    16,892.35/23,310.68 = 9,721.71/x
  3. Step 3: Cross multiply
    16,892.35x = 23,310.68 × 9,721.71
  4. Step 4: Simplify right side
    16,892.35x = 226,619,622.25
  5. Step 5: Solve for x
    x = 226,619,622.25/16,892.35
  6. Step 6: Final answer
    x = 13,415.52

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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.