Home / 18,491.28-25,517.21-10,533.44

Finding the Fourth Proportional to 18,491.28, 25,517.21 and 10,533.44

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Solution

The fourth proportional to 18,491.28, 25,517.21 and 10,533.44 is: 14,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.28 : 25,517.21 = 10,533.44 : x
  2. Step 2: Convert to fraction form
    18,491.28/25,517.21 = 10,533.44/x
  3. Step 3: Cross multiply
    18,491.28x = 25,517.21 × 10,533.44
  4. Step 4: Simplify right side
    18,491.28x = 268,783,820.25
  5. Step 5: Solve for x
    x = 268,783,820.25/18,491.28
  6. Step 6: Final answer
    x = 14,535.71

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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.