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Finding the Fourth Proportional to 11,341.70, 17,010.12 and 3,549.50

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Solution

The fourth proportional to 11,341.70, 17,010.12 and 3,549.50 is: 5,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.70 : 17,010.12 = 3,549.50 : x
  2. Step 2: Convert to fraction form
    11,341.70/17,010.12 = 3,549.50/x
  3. Step 3: Cross multiply
    11,341.70x = 17,010.12 × 3,549.50
  4. Step 4: Simplify right side
    11,341.70x = 60,377,420.94
  5. Step 5: Solve for x
    x = 60,377,420.94/11,341.70
  6. Step 6: Final answer
    x = 5,323.49

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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.