Home / 16,819.69-23,213.91-9,750.21

Finding the Fourth Proportional to 16,819.69, 23,213.91 and 9,750.21

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Solution

The fourth proportional to 16,819.69, 23,213.91 and 9,750.21 is: 13,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.69 : 23,213.91 = 9,750.21 : x
  2. Step 2: Convert to fraction form
    16,819.69/23,213.91 = 9,750.21/x
  3. Step 3: Cross multiply
    16,819.69x = 23,213.91 × 9,750.21
  4. Step 4: Simplify right side
    16,819.69x = 226,340,448.67
  5. Step 5: Solve for x
    x = 226,340,448.67/16,819.69
  6. Step 6: Final answer
    x = 13,456.87

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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.