Home / 14,289.21-21,429.66-5,522.07

Finding the Fourth Proportional to 14,289.21, 21,429.66 and 5,522.07

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Solution

The fourth proportional to 14,289.21, 21,429.66 and 5,522.07 is: 8,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.21 : 21,429.66 = 5,522.07 : x
  2. Step 2: Convert to fraction form
    14,289.21/21,429.66 = 5,522.07/x
  3. Step 3: Cross multiply
    14,289.21x = 21,429.66 × 5,522.07
  4. Step 4: Simplify right side
    14,289.21x = 118,336,183.67
  5. Step 5: Solve for x
    x = 118,336,183.67/14,289.21
  6. Step 6: Final answer
    x = 8,281.51

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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.