Home / 19,166.16-28,739.50-8,769

Finding the Fourth Proportional to 19,166.16, 28,739.50 and 8,769

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Solution

The fourth proportional to 19,166.16, 28,739.50 and 8,769 is: 13,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.16 : 28,739.50 = 8,769 : x
  2. Step 2: Convert to fraction form
    19,166.16/28,739.50 = 8,769/x
  3. Step 3: Cross multiply
    19,166.16x = 28,739.50 × 8,769
  4. Step 4: Simplify right side
    19,166.16x = 252,016,675.50
  5. Step 5: Solve for x
    x = 252,016,675.50/19,166.16
  6. Step 6: Final answer
    x = 13,149.04

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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.