Home / 19,166.69-28,740.32-8,769.53

Finding the Fourth Proportional to 19,166.69, 28,740.32 and 8,769.53

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Solution

The fourth proportional to 19,166.69, 28,740.32 and 8,769.53 is: 13,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.69 : 28,740.32 = 8,769.53 : x
  2. Step 2: Convert to fraction form
    19,166.69/28,740.32 = 8,769.53/x
  3. Step 3: Cross multiply
    19,166.69x = 28,740.32 × 8,769.53
  4. Step 4: Simplify right side
    19,166.69x = 252,039,126.45
  5. Step 5: Solve for x
    x = 252,039,126.45/19,166.69
  6. Step 6: Final answer
    x = 13,149.85

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1.5x scale

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.