Home / 19,819.63-29,727.91-7,333.80

Finding the Fourth Proportional to 19,819.63, 29,727.91 and 7,333.80

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Solution

The fourth proportional to 19,819.63, 29,727.91 and 7,333.80 is: 11,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.63 : 29,727.91 = 7,333.80 : x
  2. Step 2: Convert to fraction form
    19,819.63/29,727.91 = 7,333.80/x
  3. Step 3: Cross multiply
    19,819.63x = 29,727.91 × 7,333.80
  4. Step 4: Simplify right side
    19,819.63x = 218,018,546.36
  5. Step 5: Solve for x
    x = 218,018,546.36/19,819.63
  6. Step 6: Final answer
    x = 11,000.13

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1.5x scale

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.