Home / 19,149.22-28,674.60-11,731.19

Finding the Fourth Proportional to 19,149.22, 28,674.60 and 11,731.19

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Solution

The fourth proportional to 19,149.22, 28,674.60 and 11,731.19 is: 17,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.22 : 28,674.60 = 11,731.19 : x
  2. Step 2: Convert to fraction form
    19,149.22/28,674.60 = 11,731.19/x
  3. Step 3: Cross multiply
    19,149.22x = 28,674.60 × 11,731.19
  4. Step 4: Simplify right side
    19,149.22x = 336,387,180.77
  5. Step 5: Solve for x
    x = 336,387,180.77/19,149.22
  6. Step 6: Final answer
    x = 17,566.63

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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.