Home / 14,244.90-21,383.55-8,404.80

Finding the Fourth Proportional to 14,244.90, 21,383.55 and 8,404.80

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Solution

The fourth proportional to 14,244.90, 21,383.55 and 8,404.80 is: 12,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.90 : 21,383.55 = 8,404.80 : x
  2. Step 2: Convert to fraction form
    14,244.90/21,383.55 = 8,404.80/x
  3. Step 3: Cross multiply
    14,244.90x = 21,383.55 × 8,404.80
  4. Step 4: Simplify right side
    14,244.90x = 179,724,461.04
  5. Step 5: Solve for x
    x = 179,724,461.04/14,244.90
  6. Step 6: Final answer
    x = 12,616.76

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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.