Home / 14,282.44-21,415.44-5,516.20

Finding the Fourth Proportional to 14,282.44, 21,415.44 and 5,516.20

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Solution

The fourth proportional to 14,282.44, 21,415.44 and 5,516.20 is: 8,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.44 : 21,415.44 = 5,516.20 : x
  2. Step 2: Convert to fraction form
    14,282.44/21,415.44 = 5,516.20/x
  3. Step 3: Cross multiply
    14,282.44x = 21,415.44 × 5,516.20
  4. Step 4: Simplify right side
    14,282.44x = 118,131,850.13
  5. Step 5: Solve for x
    x = 118,131,850.13/14,282.44
  6. Step 6: Final answer
    x = 8,271.13

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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.