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Finding the Fourth Proportional to 9,338.73, 14,007.60 and 3,494.90

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Solution

The fourth proportional to 9,338.73, 14,007.60 and 3,494.90 is: 5,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.73 : 14,007.60 = 3,494.90 : x
  2. Step 2: Convert to fraction form
    9,338.73/14,007.60 = 3,494.90/x
  3. Step 3: Cross multiply
    9,338.73x = 14,007.60 × 3,494.90
  4. Step 4: Simplify right side
    9,338.73x = 48,955,161.24
  5. Step 5: Solve for x
    x = 48,955,161.24/9,338.73
  6. Step 6: Final answer
    x = 5,242.16

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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.