Home / 20,473.19-30,646.22-11,089.91

Finding the Fourth Proportional to 20,473.19, 30,646.22 and 11,089.91

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Solution

The fourth proportional to 20,473.19, 30,646.22 and 11,089.91 is: 16,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.19 : 30,646.22 = 11,089.91 : x
  2. Step 2: Convert to fraction form
    20,473.19/30,646.22 = 11,089.91/x
  3. Step 3: Cross multiply
    20,473.19x = 30,646.22 × 11,089.91
  4. Step 4: Simplify right side
    20,473.19x = 339,863,612.96
  5. Step 5: Solve for x
    x = 339,863,612.96/20,473.19
  6. Step 6: Final answer
    x = 16,600.43

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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.