Home / 18,942.28-26,141.70-10,558.60

Finding the Fourth Proportional to 18,942.28, 26,141.70 and 10,558.60

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Solution

The fourth proportional to 18,942.28, 26,141.70 and 10,558.60 is: 14,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.28 : 26,141.70 = 10,558.60 : x
  2. Step 2: Convert to fraction form
    18,942.28/26,141.70 = 10,558.60/x
  3. Step 3: Cross multiply
    18,942.28x = 26,141.70 × 10,558.60
  4. Step 4: Simplify right side
    18,942.28x = 276,019,753.62
  5. Step 5: Solve for x
    x = 276,019,753.62/18,942.28
  6. Step 6: Final answer
    x = 14,571.62

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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.