Home / 19,167.86-28,737.20-6,012.65

Finding the Fourth Proportional to 19,167.86, 28,737.20 and 6,012.65

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Solution

The fourth proportional to 19,167.86, 28,737.20 and 6,012.65 is: 9,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.86 : 28,737.20 = 6,012.65 : x
  2. Step 2: Convert to fraction form
    19,167.86/28,737.20 = 6,012.65/x
  3. Step 3: Cross multiply
    19,167.86x = 28,737.20 × 6,012.65
  4. Step 4: Simplify right side
    19,167.86x = 172,786,551.83
  5. Step 5: Solve for x
    x = 172,786,551.83/19,167.86
  6. Step 6: Final answer
    x = 9,014.39

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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.