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Finding the Fourth Proportional to 11,365.57, 17,048.54 and 4,348.81

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Solution

The fourth proportional to 11,365.57, 17,048.54 and 4,348.81 is: 6,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.57 : 17,048.54 = 4,348.81 : x
  2. Step 2: Convert to fraction form
    11,365.57/17,048.54 = 4,348.81/x
  3. Step 3: Cross multiply
    11,365.57x = 17,048.54 × 4,348.81
  4. Step 4: Simplify right side
    11,365.57x = 74,140,861.24
  5. Step 5: Solve for x
    x = 74,140,861.24/11,365.57
  6. Step 6: Final answer
    x = 6,523.29

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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.