Home / 19,109.59-28,642.92-8,982.97

Finding the Fourth Proportional to 19,109.59, 28,642.92 and 8,982.97

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Solution

The fourth proportional to 19,109.59, 28,642.92 and 8,982.97 is: 13,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.59 : 28,642.92 = 8,982.97 : x
  2. Step 2: Convert to fraction form
    19,109.59/28,642.92 = 8,982.97/x
  3. Step 3: Cross multiply
    19,109.59x = 28,642.92 × 8,982.97
  4. Step 4: Simplify right side
    19,109.59x = 257,298,385.78
  5. Step 5: Solve for x
    x = 257,298,385.78/19,109.59
  6. Step 6: Final answer
    x = 13,464.36

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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.