Home / 14,221.04-21,324.40-8,299.94

Finding the Fourth Proportional to 14,221.04, 21,324.40 and 8,299.94

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Solution

The fourth proportional to 14,221.04, 21,324.40 and 8,299.94 is: 12,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.04 : 21,324.40 = 8,299.94 : x
  2. Step 2: Convert to fraction form
    14,221.04/21,324.40 = 8,299.94/x
  3. Step 3: Cross multiply
    14,221.04x = 21,324.40 × 8,299.94
  4. Step 4: Simplify right side
    14,221.04x = 176,991,240.54
  5. Step 5: Solve for x
    x = 176,991,240.54/14,221.04
  6. Step 6: Final answer
    x = 12,445.73

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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.