Home / 19,703.86-29,562.77-12,299.75

Finding the Fourth Proportional to 19,703.86, 29,562.77 and 12,299.75

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Solution

The fourth proportional to 19,703.86, 29,562.77 and 12,299.75 is: 18,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.86 : 29,562.77 = 12,299.75 : x
  2. Step 2: Convert to fraction form
    19,703.86/29,562.77 = 12,299.75/x
  3. Step 3: Cross multiply
    19,703.86x = 29,562.77 × 12,299.75
  4. Step 4: Simplify right side
    19,703.86x = 363,614,674.10
  5. Step 5: Solve for x
    x = 363,614,674.10/19,703.86
  6. Step 6: Final answer
    x = 18,453.98

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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.