Home / 19,143.03-28,712.27-5,104.11

Finding the Fourth Proportional to 19,143.03, 28,712.27 and 5,104.11

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Solution

The fourth proportional to 19,143.03, 28,712.27 and 5,104.11 is: 7,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.03 : 28,712.27 = 5,104.11 : x
  2. Step 2: Convert to fraction form
    19,143.03/28,712.27 = 5,104.11/x
  3. Step 3: Cross multiply
    19,143.03x = 28,712.27 × 5,104.11
  4. Step 4: Simplify right side
    19,143.03x = 146,550,558.91
  5. Step 5: Solve for x
    x = 146,550,558.91/19,143.03
  6. Step 6: Final answer
    x = 7,655.56

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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.