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Finding the Fourth Proportional to 9,133.61, 13,696.34 and 3,582.68

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Solution

The fourth proportional to 9,133.61, 13,696.34 and 3,582.68 is: 5,372.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.61 : 13,696.34 = 3,582.68 : x
  2. Step 2: Convert to fraction form
    9,133.61/13,696.34 = 3,582.68/x
  3. Step 3: Cross multiply
    9,133.61x = 13,696.34 × 3,582.68
  4. Step 4: Simplify right side
    9,133.61x = 49,069,517.00
  5. Step 5: Solve for x
    x = 49,069,517.00/9,133.61
  6. Step 6: Final answer
    x = 5,372.42

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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.