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Finding the Fourth Proportional to 18,065.92, 24,928.89 and 10,410.31

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Solution

The fourth proportional to 18,065.92, 24,928.89 and 10,410.31 is: 14,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.92 : 24,928.89 = 10,410.31 : x
  2. Step 2: Convert to fraction form
    18,065.92/24,928.89 = 10,410.31/x
  3. Step 3: Cross multiply
    18,065.92x = 24,928.89 × 10,410.31
  4. Step 4: Simplify right side
    18,065.92x = 259,517,494.26
  5. Step 5: Solve for x
    x = 259,517,494.26/18,065.92
  6. Step 6: Final answer
    x = 14,365.03

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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.