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Finding the Fourth Proportional to 9,414.60, 14,097.60 and 7,470.60

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Solution

The fourth proportional to 9,414.60, 14,097.60 and 7,470.60 is: 11,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.60 : 14,097.60 = 7,470.60 : x
  2. Step 2: Convert to fraction form
    9,414.60/14,097.60 = 7,470.60/x
  3. Step 3: Cross multiply
    9,414.60x = 14,097.60 × 7,470.60
  4. Step 4: Simplify right side
    9,414.60x = 105,317,530.56
  5. Step 5: Solve for x
    x = 105,317,530.56/9,414.60
  6. Step 6: Final answer
    x = 11,186.62

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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.