Home / 11,341.80-17,012.97-4,320.90

Finding the Fourth Proportional to 11,341.80, 17,012.97 and 4,320.90

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Solution

The fourth proportional to 11,341.80, 17,012.97 and 4,320.90 is: 6,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.80 : 17,012.97 = 4,320.90 : x
  2. Step 2: Convert to fraction form
    11,341.80/17,012.97 = 4,320.90/x
  3. Step 3: Cross multiply
    11,341.80x = 17,012.97 × 4,320.90
  4. Step 4: Simplify right side
    11,341.80x = 73,511,342.07
  5. Step 5: Solve for x
    x = 73,511,342.07/11,341.80
  6. Step 6: Final answer
    x = 6,481.45

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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.