Home / 12,252.28-18,382.53-4,858.87

Finding the Fourth Proportional to 12,252.28, 18,382.53 and 4,858.87

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Solution

The fourth proportional to 12,252.28, 18,382.53 and 4,858.87 is: 7,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.28 : 18,382.53 = 4,858.87 : x
  2. Step 2: Convert to fraction form
    12,252.28/18,382.53 = 4,858.87/x
  3. Step 3: Cross multiply
    12,252.28x = 18,382.53 × 4,858.87
  4. Step 4: Simplify right side
    12,252.28x = 89,318,323.54
  5. Step 5: Solve for x
    x = 89,318,323.54/12,252.28
  6. Step 6: Final answer
    x = 7,289.93

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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.