Home / 14,288.92-21,431.22-5,522.74

Finding the Fourth Proportional to 14,288.92, 21,431.22 and 5,522.74

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Solution

The fourth proportional to 14,288.92, 21,431.22 and 5,522.74 is: 8,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.92 : 21,431.22 = 5,522.74 : x
  2. Step 2: Convert to fraction form
    14,288.92/21,431.22 = 5,522.74/x
  3. Step 3: Cross multiply
    14,288.92x = 21,431.22 × 5,522.74
  4. Step 4: Simplify right side
    14,288.92x = 118,359,055.94
  5. Step 5: Solve for x
    x = 118,359,055.94/14,288.92
  6. Step 6: Final answer
    x = 8,283.28

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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.