Home / 14,378.48-21,563.40-5,611.04

Finding the Fourth Proportional to 14,378.48, 21,563.40 and 5,611.04

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Solution

The fourth proportional to 14,378.48, 21,563.40 and 5,611.04 is: 8,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.48 : 21,563.40 = 5,611.04 : x
  2. Step 2: Convert to fraction form
    14,378.48/21,563.40 = 5,611.04/x
  3. Step 3: Cross multiply
    14,378.48x = 21,563.40 × 5,611.04
  4. Step 4: Simplify right side
    14,378.48x = 120,993,099.94
  5. Step 5: Solve for x
    x = 120,993,099.94/14,378.48
  6. Step 6: Final answer
    x = 8,414.87

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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.