Home / 14,282.89-21,422.22-5,516.71

Finding the Fourth Proportional to 14,282.89, 21,422.22 and 5,516.71

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Solution

The fourth proportional to 14,282.89, 21,422.22 and 5,516.71 is: 8,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.89 : 21,422.22 = 5,516.71 : x
  2. Step 2: Convert to fraction form
    14,282.89/21,422.22 = 5,516.71/x
  3. Step 3: Cross multiply
    14,282.89x = 21,422.22 × 5,516.71
  4. Step 4: Simplify right side
    14,282.89x = 118,180,175.30
  5. Step 5: Solve for x
    x = 118,180,175.30/14,282.89
  6. Step 6: Final answer
    x = 8,274.25

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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.