Home / 14,150.25-21,196.20-8,289.09

Finding the Fourth Proportional to 14,150.25, 21,196.20 and 8,289.09

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Solution

The fourth proportional to 14,150.25, 21,196.20 and 8,289.09 is: 12,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.25 : 21,196.20 = 8,289.09 : x
  2. Step 2: Convert to fraction form
    14,150.25/21,196.20 = 8,289.09/x
  3. Step 3: Cross multiply
    14,150.25x = 21,196.20 × 8,289.09
  4. Step 4: Simplify right side
    14,150.25x = 175,697,209.46
  5. Step 5: Solve for x
    x = 175,697,209.46/14,150.25
  6. Step 6: Final answer
    x = 12,416.54

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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.