Home / 19,646.94-29,470.14-8,553.39

Finding the Fourth Proportional to 19,646.94, 29,470.14 and 8,553.39

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Solution

The fourth proportional to 19,646.94, 29,470.14 and 8,553.39 is: 12,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.94 : 29,470.14 = 8,553.39 : x
  2. Step 2: Convert to fraction form
    19,646.94/29,470.14 = 8,553.39/x
  3. Step 3: Cross multiply
    19,646.94x = 29,470.14 × 8,553.39
  4. Step 4: Simplify right side
    19,646.94x = 252,069,600.77
  5. Step 5: Solve for x
    x = 252,069,600.77/19,646.94
  6. Step 6: Final answer
    x = 12,829.97

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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.