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Finding the Fourth Proportional to 40,394.60, 60,600.89 and 12,316.83

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Solution

The fourth proportional to 40,394.60, 60,600.89 and 12,316.83 is: 18,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.60 : 60,600.89 = 12,316.83 : x
  2. Step 2: Convert to fraction form
    40,394.60/60,600.89 = 12,316.83/x
  3. Step 3: Cross multiply
    40,394.60x = 60,600.89 × 12,316.83
  4. Step 4: Simplify right side
    40,394.60x = 746,410,798.39
  5. Step 5: Solve for x
    x = 746,410,798.39/40,394.60
  6. Step 6: Final answer
    x = 18,477.99

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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.