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Finding the Fourth Proportional to 9,712.44, 13,402.83 and 5,934.24

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Solution

The fourth proportional to 9,712.44, 13,402.83 and 5,934.24 is: 8,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.44 : 13,402.83 = 5,934.24 : x
  2. Step 2: Convert to fraction form
    9,712.44/13,402.83 = 5,934.24/x
  3. Step 3: Cross multiply
    9,712.44x = 13,402.83 × 5,934.24
  4. Step 4: Simplify right side
    9,712.44x = 79,535,609.90
  5. Step 5: Solve for x
    x = 79,535,609.90/9,712.44
  6. Step 6: Final answer
    x = 8,189.05

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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.