Home / 19,214.24-28,819.19-5,175.29

Finding the Fourth Proportional to 19,214.24, 28,819.19 and 5,175.29

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Solution

The fourth proportional to 19,214.24, 28,819.19 and 5,175.29 is: 7,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.24 : 28,819.19 = 5,175.29 : x
  2. Step 2: Convert to fraction form
    19,214.24/28,819.19 = 5,175.29/x
  3. Step 3: Cross multiply
    19,214.24x = 28,819.19 × 5,175.29
  4. Step 4: Simplify right side
    19,214.24x = 149,147,721.69
  5. Step 5: Solve for x
    x = 149,147,721.69/19,214.24
  6. Step 6: Final answer
    x = 7,762.36

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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.