Home / 19,213.10-28,819.62-6,066.80

Finding the Fourth Proportional to 19,213.10, 28,819.62 and 6,066.80

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Solution

The fourth proportional to 19,213.10, 28,819.62 and 6,066.80 is: 9,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.10 : 28,819.62 = 6,066.80 : x
  2. Step 2: Convert to fraction form
    19,213.10/28,819.62 = 6,066.80/x
  3. Step 3: Cross multiply
    19,213.10x = 28,819.62 × 6,066.80
  4. Step 4: Simplify right side
    19,213.10x = 174,842,726.52
  5. Step 5: Solve for x
    x = 174,842,726.52/19,213.10
  6. Step 6: Final answer
    x = 9,100.19

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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.