Home / 18,998.41-28,503.34-5,671.83

Finding the Fourth Proportional to 18,998.41, 28,503.34 and 5,671.83

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Solution

The fourth proportional to 18,998.41, 28,503.34 and 5,671.83 is: 8,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.41 : 28,503.34 = 5,671.83 : x
  2. Step 2: Convert to fraction form
    18,998.41/28,503.34 = 5,671.83/x
  3. Step 3: Cross multiply
    18,998.41x = 28,503.34 × 5,671.83
  4. Step 4: Simplify right side
    18,998.41x = 161,666,098.91
  5. Step 5: Solve for x
    x = 161,666,098.91/18,998.41
  6. Step 6: Final answer
    x = 8,509.45

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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.