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Finding the Fourth Proportional to 9,755.69, 13,463.87 and 5,981.37

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Solution

The fourth proportional to 9,755.69, 13,463.87 and 5,981.37 is: 8,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.69 : 13,463.87 = 5,981.37 : x
  2. Step 2: Convert to fraction form
    9,755.69/13,463.87 = 5,981.37/x
  3. Step 3: Cross multiply
    9,755.69x = 13,463.87 × 5,981.37
  4. Step 4: Simplify right side
    9,755.69x = 80,532,358.20
  5. Step 5: Solve for x
    x = 80,532,358.20/9,755.69
  6. Step 6: Final answer
    x = 8,254.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.