Home / 19,108.18-28,662.24-13,098.34

Finding the Fourth Proportional to 19,108.18, 28,662.24 and 13,098.34

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Solution

The fourth proportional to 19,108.18, 28,662.24 and 13,098.34 is: 19,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.18 : 28,662.24 = 13,098.34 : x
  2. Step 2: Convert to fraction form
    19,108.18/28,662.24 = 13,098.34/x
  3. Step 3: Cross multiply
    19,108.18x = 28,662.24 × 13,098.34
  4. Step 4: Simplify right side
    19,108.18x = 375,427,764.68
  5. Step 5: Solve for x
    x = 375,427,764.68/19,108.18
  6. Step 6: Final answer
    x = 19,647.49

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Similar ratio
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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.